Have a unique skill or passion? Create and sell an online course. There are plenty of websites available that make getting started easy! You make the curriculum and set the price.
Offer to clean up a neighbor’s garden or mow lawns
Knock on some doors, hang up some signs, or post on neighborhood groups that you are willing to cut back perennial plants, remove dead annual plants and weeds, rake, mulch, and get the garden ready for winter or summer, for a flat fee.