Quick answer: budget startup costs in three buckets: one-time setup costs (registration, licenses, website, initial marketing), equipment and inventory, and a cash cushion for the first few months of ongoing expenses. For taxes, the IRS lets you deduct up to $5,000 of qualifying startup costs, such as market research and pre-opening advertising, in the year the business begins, with that $5,000 reduced dollar for dollar once total startup costs exceed $50,000; the rest is amortized over 180 months. Equipment is handled separately through depreciation, Section 179 or, for qualifying items of $2,500 or less, the de minimis safe harbor election. Keep receipts for everything, including costs paid before your first sale.
Every side hustle costs something to start, even the ones advertised as “no money down.” There is a domain name, a business license, a few supplies, perhaps a laptop upgrade or a first batch of inventory. Planning those costs up front keeps the business from draining household savings, and understanding the tax rules makes sure you get credit for money spent before the first customer ever paid.
This guide walks through how to estimate startup costs, how to keep them lean and how the IRS treats spending that happens before and after the business officially begins. It is part of our larger guide to choosing and starting a side hustle.
Sources: Internal Revenue Code section 195 (start-up expenditures); Treasury Regulation section 1.195-1; IRS Publication 334, Tax Guide for Small Business; IRS Publication 946, How to Depreciate Property; IRS Instructions for Form 4562; IRS guidance on the de minimis safe harbor election under the tangible property regulations; U.S. Small Business Administration, “Calculate your startup costs.” General information, not tax advice; consult a tax professional about your situation. Checked October 2026.
The Three Buckets of Startup Spending
The U.S. Small Business Administration recommends listing startup expenses before launching so you know how much money you need and can plan funding. For a side hustle, three buckets cover most of it.
One-time setup costs
- Business registration, DBA filing and licenses or permits
- Website domain, hosting or platform setup fees
- Logo, branding and initial marketing materials
- Professional help, such as an accountant or attorney review
- Training, certifications or courses needed before you can offer the service
Equipment and inventory
- Tools, equipment, computers and software
- Initial inventory or materials
- Packaging and shipping supplies
Operating cushion
- Several months of ongoing costs like subscriptions, insurance, marketing and supplies
- Fees from payment processors and marketplaces
- A buffer for slow months, returns and surprises
Writing everything down, even small items, gives a realistic total. Our guide to writing a simple side hustle business plan includes a startup budget section.
How to Estimate Costs Realistically
Underestimating is far more common than overestimating. A few habits improve accuracy:
- Price actual items, not guesses. Look up the license fee, the software subscription and the equipment you plan to buy.
- Include recurring costs for at least three to six months, since revenue may take time to arrive.
- Add shipping, taxes and fees to purchase prices.
- Count your time honestly, even if you do not pay yourself at first.
- Add a contingency, such as 10% to 20% of the total, for things you forgot.
Then compare the total with the money you can comfortably risk. A side hustle should not put rent, emergency savings or retirement contributions in jeopardy.
How Costs Differ by Type of Side Hustle
Startup costs depend heavily on the business model, so it helps to know where your idea falls.
Service side hustles, such as freelance writing, bookkeeping, tutoring or virtual assistance, often have the lowest startup costs. The main expenses are usually registration, a simple website or profile, software subscriptions and perhaps professional liability insurance. Skills are the core asset, and many people already own the computer they need.
Local hands-on services, like cleaning, lawn care, pet care or handyman work, need tools, supplies and transportation. Insurance and licensing may matter more, and vehicle costs add up quickly. Buying tools gradually as jobs require them keeps the upfront total manageable.
Product businesses, including crafts, baked goods where permitted, printed products and resale, carry the highest early costs because of materials, inventory, packaging and sometimes permits or inspections. Inventory also ties up cash until it sells, so starting small matters most here.
Digital products and content businesses, such as templates, courses or blogs, tend to have modest cash costs but large time costs before revenue arrives. Hosting, software and design tools are the main expenses, and the operating cushion should account for a longer runway before income starts.
Knowing your category makes it easier to judge whether an estimate is realistic, and where the biggest savings opportunities are.
Keeping Startup Costs Lean
Many side hustles can launch with minimal spending if the owner resists buying everything at once.
- Start with what you have. Use the current laptop, phone and tools until revenue justifies upgrades.
- Validate before investing. Sell a small batch, offer a service to a few clients or pre-sell before buying inventory in bulk.
- Use free or low-cost tiers of software and platforms, upgrading only when the business needs it.
- Buy used equipment where quality and safety allow.
- Delay nonessential branding. A clean, simple logo and website are enough to start.
- Rent or borrow specialized equipment for occasional jobs.
Our list of online businesses you can start with little money covers low-cost models.
How the IRS Treats Startup Costs
Tax treatment depends on what was bought and when. The key dividing line is the date the business begins operating, often called the date the active trade or business starts.
Startup costs under section 195 of the Internal Revenue Code are amounts paid to investigate creating or acquiring a business or to create the business before it begins, which would be deductible if paid by an operating business. Examples from IRS guidance include:
- Analysis or surveys of potential markets, products and labor supply
- Advertising for the opening of the business
- Salaries and wages for employees being trained and their instructors
- Travel and other necessary costs for securing prospective distributors, suppliers or customers
- Salaries and fees for consultants or professional services
The deduction. In the year the business begins, you can elect to deduct up to $5,000 of startup costs. That $5,000 is reduced by the amount by which total startup costs exceed $50,000, so it disappears entirely at $55,000. The remaining startup costs are amortized, meaning deducted evenly, over 180 months starting with the month the business begins. Under Treasury regulations, you are generally treated as making the election simply by claiming the deduction on a timely filed return.
Organizational costs for forming a corporation or partnership follow a parallel rule with their own $5,000 and $50,000 limits. A single-member LLC taxed as a sole proprietorship generally treats formation costs as startup costs.
Equipment, Inventory and the De Minimis Safe Harbor
Not everything bought before opening is a startup cost. Equipment and inventory follow their own rules.
Equipment and other property with a useful life of more than a year, like a camera, computer or sewing machine, is generally recovered through depreciation once the business begins using it. Section 179 expensing and bonus depreciation can allow a larger deduction in the first year, subject to limits and rules covered in IRS Publication 946.
The de minimis safe harbor. Taxpayers without audited financial statements can elect to deduct items costing $2,500 or less per invoice or item, rather than depreciating them. The election is made each year by attaching a statement to a timely filed return. For many side hustlers, this simplifies small equipment purchases considerably.
Inventory is not deducted when purchased. Its cost is recovered through cost of goods sold as items are sold. Small businesses meeting certain gross receipts tests have simplified options for accounting for inventory; IRS Publication 334 describes them.
What If the Business Never Launches?
Sometimes research or early spending ends with a decision not to proceed. The tax treatment then depends on the circumstances. IRS guidance in Publication 334 explains that costs incurred while investigating a general search for a business are personal and not deductible, while costs of trying to start or acquire a specific business may be deductible as a capital loss in some situations if the attempt fails.
The rules here are detailed, so keep good records of what you spent and why, and ask a tax professional if a sizable amount is involved.
Tracking Startup Costs From Day One
Startup spending is easy to lose track of, because it happens before you have a business bank account or bookkeeping system. Start tracking with the very first purchase.
- Keep every receipt, including small ones, in a dedicated folder or app.
- Note the business purpose of each item on the receipt or in a log.
- Separate startup costs from equipment and inventory in your records, since each is treated differently.
- Record the date the business began, such as the first day you offered services or listed products for sale.
- Move to a separate bank account as soon as possible. See our guide to side hustle tax deductions for which ongoing costs count once you are operating.
Funding Your Startup Costs
Most side hustles are funded from personal savings or current income. Common approaches:
- Pay as you go from monthly income, launching in stages.
- Set aside a startup fund in a separate savings account for a few months before launching.
- Pre-sell or take deposits from first customers to fund materials.
- Reinvest early profits to buy upgrades rather than spending them.
Use caution with credit cards and personal loans. High interest charges can wipe out early profits, and personal guarantees put household finances at risk if the business struggles. The SBA lists other funding options for larger ventures, but most side hustles do not need outside funding to start.
A Sample Startup Budget Worksheet
| Category | Item | Estimated cost | Tax treatment (general) |
|---|---|---|---|
| Setup | Business license and DBA filing | Your local fees | Generally deductible once operating; startup cost if before |
| Setup | Domain and website platform | Provider pricing | Startup cost if before opening; ordinary expense after |
| Marketing | Pre-launch ads and flyers | Your budget | Startup cost |
| Equipment | Laptop or tools | Actual price | Depreciation, Section 179 or de minimis election |
| Inventory | First batch of materials | Supplier quote | Cost of goods sold as items sell |
| Cushion | 3 months of subscriptions | Monthly cost x 3 | Ordinary expense when paid during operations |
Replace the placeholder estimates with real quotes from your area and providers.
Frequently Asked Questions
How much does it cost to start a side hustle?
It varies widely. Service businesses can start with little beyond registration and basic marketing, while product businesses need equipment and inventory. List actual costs in three buckets: setup, equipment and inventory and an operating cushion.
Can I deduct side hustle expenses I paid before my first sale?
Often yes. Qualifying startup costs can be deducted up to $5,000 in the year the business begins, reduced when total startup costs exceed $50,000, with the rest amortized over 180 months.
Is a laptop a startup cost?
Generally no. Equipment is handled through depreciation, Section 179 or, for items of $2,500 or less, the de minimis safe harbor election, starting when the business uses it.
What happens if I spend money but never start the business?
General investigation costs are personal and not deductible. Costs of trying to start a specific business may be deductible as a capital loss in some cases. Ask a tax professional.
Do I need a loan to start a side hustle?
Most side hustles can start from savings or income. Avoid high-interest debt when possible.
The Bottom Line
Plan startup costs before spending, keep them lean by validating first and track every receipt from the very first purchase. At tax time, separate true startup costs, which qualify for the $5,000 first-year deduction and 180-month amortization, from equipment, small purchases under the de minimis election and inventory. That combination keeps the launch affordable and makes sure the tax return reflects every dollar the business really cost.