To prove your business is not a hobby, you must demonstrate a genuine profit motive to the IRS, typically by operating in a businesslike manner, maintaining detailed records, and pursuing profitability. The IRS often considers an activity a business if it generates profit in at least three of the last five years (or two of the last seven for horses).
These factors are whether:
Earning a profit
The IRS expects that if you start a business, you intend to make money at it. If you don't, your business might be a hobby. To determine if your business is a hobby, the IRS looks at numerous factors, including the following: Do you put in the necessary time and effort to turn a profit?
The "3-year hobby rule," or IRS Hobby Loss Rule, is a tax guideline stating that if an activity makes a profit in three out of five consecutive years, the IRS presumes it's a legitimate business for tax purposes, not a hobby, allowing for business expense deductions; otherwise, it's presumed a hobby, and losses can't offset other income. The IRS examines factors like business-like operations, expertise, and time spent, but the profit test is a strong indicator, with exceptions for horse-related activities (2 of 7 years).
Activities not considered hobbies are typically daily necessities, obligatory tasks (like work or chores), activities done purely for profit (business), passive consumption (like mindless scrolling), or habits that negatively impact life, while hobbies are pursued for enjoyment in leisure time, involving some personal engagement, skill-building, or creation, distinct from obligations or mere passive entertainment.
The federal self-employment tax is 15.3%, so you could save money if your income from an activity or pastime qualifies as hobby income. And if your activity generates less than $400 in 2025, you don't need to pay self-employment taxes, even if your income doesn't qualify as hobby income.
You must file a tax return if you have net earnings from self-employment of $400 or more from gig work, even if it's a side job, part-time or temporary.
Hobby or Business?
It's important to make sure you classify your income properly because it has implications on how that income is reported and how much tax you may owe. The key consideration for the IRS is that businesses operate to make a profit while hobbies are for pleasure or recreation.
“The 5 hobby rule is related to the five different categories that hobbies can fall into,” says Papa. These include “hobbies that 1.) can make you money, 2.) keep you active, 3.) help you be creative, 4.)
Limited liability company (LLC)
Profits and losses can get passed through to your personal income without facing corporate taxes. However, members of an LLC are considered self-employed and must pay self-employment tax contributions towards Medicare and Social Security. LLCs can have a limited life in many states.
Yes, interest paid on business loans is generally 100% tax-deductible as a business expense. This includes interest on business credit cards, lines of credit, mortgages for business property, and equipment loans.
The section 179 deduction allows taxpayers, other than trusts and estates, to elect to expense a specified amount of the cost of qualifying property purchased for use in a business. For tax years beginning in 2026 the maximum deduction is $2,560,000, (2025, the maximum deduction is $2,500,000).
The IRS allows taxpayers to deduct up to $3,000 of realized investment losses ($1,500 if married filing separately) against ordinary income each year. This deduction applies only to losses in taxable investment accounts and must be realized by December 31st to count for that tax year.
The IRS "10k rule" primarily refers to the requirement for businesses and financial institutions to report cash transactions over $10,000 by filing Form 8300 (for businesses) or a Currency Transaction Report (CTR) (for banks), under the Bank Secrecy Act. This rule helps combat money laundering, tax evasion, and terrorist financing, requiring reporting for single transactions or related transactions totaling over $10,000 in cash within a year, with penalties for non-compliance.
P2P payment platforms, including PayPal, Venmo, Stripe, and others, are required to provide information to the IRS about customers who receive payments for the sale of goods and services through those platforms.