since it seems you're doing this on a regular basis and will get paid more than $600 during the year. the tax laws require that if a company expects to pay you over $600 during the year they will ask you to submit to them a W-9 form which asks you for information like your name, address, Social Security number or EIN (employee ID number). by January 31st of the following year they will provide you with form 1099-NEC or 1099-MISC which will show how much they've paid you. it’s all considered taxable income whether you get the 1099 form or not and regardless of whether any company pays you $600 or more. a company can issue you a 1099 even if they pay less than $600.
this income and expenses related to earning this income are reported on schedule C. if net schedule C income is more than about $433 not only do you owe income taxes on the net profit but also self-employment taxes on 92.35% of the net profit. SE tax can be up to 15.3 % of this amount but you are allowed a deduction for 1/2 the SE tax.
TurboTax will compute the SE tax and the deduction automatically if you are subject to it. there are other things in connection with schedule C so when you go through the step-by-step questions make sure to read them carefully and if not sure of how to answer post another question in this thread.
for the principal business description you can use "survey taker" as for the code number 541990 or 999999
