Yes, you will need to upgrade to the Self-Employed edition. Complete the section for your business and then add your income, select cash income to report your earnings.
That doesn't matter just enter it as Other self employment income or as Cash or General income. You don't need to get a 1099NEC or 1099Misc or 1099K. Even if you did you can enter all your income as Cash. Only the total goes to schedule C.
Yes you must report all your income. You need to report all your income whether or not you get a 1099 for it. Actually you can enter your total income as Cash or General income instead of entering the actual 1099. Only the total goes to Schedule C.
To report your self employment income you will fill out schedule C in your personal 1040 tax return and pay SE self employment Tax. You can enter Self Employment Income into Online Deluxe or Premier but if you have any expenses you will have to upgrade to the Self Employed version. Or any of the Desktop programs. But you will get the most help in the Home & Business version.