Technically, according to the IRS, you do own a business. Your cash income can be reported under your social security number without a different business name.
Go to the left menu>Federal>Wages & Income>scroll down to Self-Employment.
You will have to upgrade your program. Otherwise, you will not get to report any expenses, and it will increase your tax bill much more than the cost of the upgrade.
TurboTax has questions to go through to report your income. Since you are collecting cash, it should be reported. Four times a year, send in your tax estimates.
