Gutter cleaning, hanging Christmas lights, window washing, handyman, furniture flipping...
Door Dash, Grub Hub, Uber Eats, Spark...
Lifeguard jobs are about to be opening, too, if you are interested in that (probably don't pay great since a lot of them are high school/college kids that are hired).
Are you looking for only something to do on weekends around your main job? That second line of suggestions are all flexible and you can do them around your existing job.
