Use the "Create a money request" if you have a simple request, such as lending your buddy $25 last week or providing a simple service such cleaning a carpet. You must know the person's email address -- he doesn't have to have a PayPal account -- and the amount you are charging them for. Click continue and then confirm the information and send a personal message if needed.
This is another GPT site like many others, but definitely worth signing up for if you like instant payments. Complete surveys, offers, play games and more to earn cash. Once you've earned $20, you can cash out immediately to your PayPal account. Also, if you're looking for jobs for teens, you'll be happy to know this site lets you sign up as a teen with parental consent.
Fiverr is a popular platform for offering services. You can create your own Gigs to have available for sale. As the name suggests, Gigs are available to purchase starting at $5 though you can offer upsells to increase your earnings. You do need to wait 14 days between completing a Gig to being able to withdraw your earnings by PayPal. There are fees associated with these transactions.