Set up a professional invoicing system and send invoices either bi-monthly or monthly. Use your computer software’s invoicing templates or you can create an invoice using Excel. Decided when you plan to bill and be sure you send invoices on the same day of the month to ensure consistent payment. Institute a 10 day late policy, if possible, to make sure payment is received promptly.
If you love kids, sign up for Care.com or SitterCity to spend a few hours a week babysitting. These websites verify both babysitters and those seeking sitters with background checks, so you can ensure you're conversing with a reliable source. Babysitting rates vary based on years of experience, number of children, and hours per week. According to ZipRecruiter, the average hourly rate for a babysitter is $28. Use Care.com's calculator to plug in your experience and find out how much your should be making an hour as a babysitter.
Nielsen (the same company that creates TV show ratings) has a research division that is similar to what survey companies do, which is gather information to help companies better market themselves to customers. Instead of having you take surveys, though, their computer and mobile panel is focused on gathering information pertaining to your “unique internet usage with people like you to build a picture of internet behavior.”