In the U.S., you must report all income, but you generally do not pay federal income tax if your total gross income is below specific thresholds—$15,750 for single filers under 65 in 2025. However, if you earn $400 or more net from self-employment (cash gigs, freelancing), you must pay self-employment taxes.
The IRS defines income as any money, property, or services you receive that are not explicitly exempted by law. This broad definition means that most forms of income, regardless of how they are received—whether through direct deposit, check, or cash—are taxable.
Made more than £1,000 from your side hustles? Whether you get cash in hand or money paid straight to your bank account, you'll need to tell HMRC so you can avoid any tax surprises. We're talking about the total income from all your side hustles between 6 April 2024 and 5 April 2025.
Companies open themselves up to an increased risk of wage theft with cash payments. Employers paying in cash without proper records increase risk of audits and penalties from IRS or state tax agencies for incorrectly reporting wages. Legal consequences may include fines, back taxes, and interest.
The "$10,000 bank rule" refers to federal laws requiring financial institutions and businesses to report large cash transactions (deposits, withdrawals, payments) of over $10,000 in currency to the government to combat money laundering and financial crimes. Banks file Currency Transaction Reports (CTRs) for cash activity over $10,000, while businesses file Form 8300 for similar payments, both sending info to FinCEN and the IRS to track illicit funds.
The IRS $600 rule refers to a change in reporting requirements for third-party payment apps (like Venmo, PayPal) for taxable income from goods and services, where platforms must send a Form 1099-K if you receive over $600 in a year, intended to capture gig economy/side hustle income, though delays and phased implementation have adjusted the timeline, with current rules for 2024 using a higher threshold ($5,000) before fully phasing to $600 for future years, but remember all taxable income, regardless of form, must always be reported.
Generally, if you're in a trade or business and receive more than $10,000 in cash in a single transaction or in related transactions, you must file Form 8300.
“The penalty for negligent failure to timely file, to include all required information or to include correct information is $250 per return, not to exceed $3,000,000 per calendar year. IRC Section 6721(a)(1). For persons with average annual gross receipts of not more than $5,000,000, the ceiling is $1,000,000.
Depositing $2,000 in cash isn't inherently suspicious and is well below the $10,000 reporting threshold for banks, but it can raise flags if it's part of a pattern (structuring), inconsistent with your normal income, or involves other red flags like frequent large cash deposits from others, leading to a potential Suspicious Activity Report (SAR). To avoid issues, have clear records for the cash's source, like invoices or sales receipts, especially if you deal in cash often.
Tax-free basic personal amounts (BPA)
This means that an individual Canadian taxpayer can earn up-to $16,129 in 2025 before paying any federal income tax. For the 2026 tax year: Individuals earning $181,440 or less receive the full BPA of $16,452. Individuals earning $258,482 or more receive a minimum BPA of $14,829.
If you are self-employed, paid in cash, and make a net profit of $400 or more in one year, you are required to file a federal tax return. Failure to report cash income may result in penalties and fines and prevent you from getting tax credits. The person who paid you may issue a Form 1099-MISC.
5 common side hustle mistakes and how to fix them
To report cash income, treat it like any other earnings: if you're an employee, it's wages on Form 1040 (Line 7), but if you're self-employed (freelancer, gig worker, business owner), report it on Schedule C, Line 1 (Gross Receipts), attaching it to your Form 1040, and track all income and deductible expenses meticulously. All income, regardless of payment method, is taxable and must be reported, with self-employed individuals potentially owing self-employment tax (Schedule SE) if profits exceed $400.
Introduced in House (02/07/2025) This bill requires retail businesses to accept cash as a form of payment for on-site sales of $500 or less and it prohibits them from charging cash-paying customers a higher price compared to customers not paying with cash.
Unemployment compensation generally is taxable. Inheritances, gifts, cash rebates, alimony payments (for divorce decrees finalized after 2018), child support payments, most healthcare benefits, welfare payments, and money that is reimbursed from qualifying adoptions are deemed nontaxable by the IRS.
The biggest tax mistakes people make include filing late, math errors, incorrect personal info (like Social Security numbers), forgetting deductions/credits (like EITC), misreporting income, not signing forms, and making errors with bank details for direct deposit, all leading to delays, penalties, or missed savings, with using tax software or professionals helping avoid these common pitfalls.
Penalties and Interest:
The CRA can impose substantial penalties for unreported income. Typically, the penalty is a percentage of the unreported income plus interest charges that accrue over time. The longer the income goes unreported, the higher the financial burden.
There is no California Penal Code section that limits the amount of cash you can legally carry. You can walk around with $100, $10,000, or even $100,000 in your briefcase—and that alone does not constitute probable cause for a crime.
There are no restrictions on carrying CAD $10,000 or more into or out of Canada and it is not illegal to do so as long as you declare it. The CBSA will not return funds if they are seized as suspected proceeds of crime or funds for financing terrorist activities.
The "20k rule" refers to the traditional IRS threshold for reporting income from payment apps and online marketplaces on Form 1099-K: over $20,000 in gross payments AND more than 200 transactions in a calendar year. While a law (the American Rescue Plan) temporarily lowered the threshold to $600, recent legislation, the One Big Beautiful Bill Act (OBBBA) (OBBBA), has reinstated the $20,000/200-transaction rule for tax years starting in 2025, providing relief for casual sellers and gig workers.
Getting Form 1099-K from eBay
If your sales hit the payment threshold, eBay must prepare and send 1099-K copies to the IRS and to you by January 31 of the following year. IRS 1099-K payment reporting thresholds by year: $5,000 in 2024. $2,500 in 2025.