Go someplace with a lot of beach airbnb's. Offer to set up umbrellas and chairs everyday for the guests. Peopleeat this up when it's available Add upsells such as a cooler of drinks, sunglasses, kids toys, floats, etc. Put flyers near all the units. Contact the owners and have them add a flyer in the unit. Set up a website so people can schedule a setup. Buy used chairs and such online. Hire local kids to do the work. Franchise the model ...