All point redemption transactions will utilise the PayPal account which matches the email address used for your MyOpinions correspondence. If you already have a PayPal account existing under an email address that is different from the one you used when registering with MyOpinions, then you can simply add your MyOpinions email address to your existing account. Click on “Log in” followed by “profile” / “email” / “update” / “add”.
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.