congrats! you have to try hard to NOT make money with a bucket truck. Some of the things I've made the best money doing as boring as it sounds (and is) .. is changing out lights in parking lots, selling annual service contracts for electrical signs (come by once a year, pressure wash, check and replace components, collect your cash and have them sign another annual contract). And of course offering your services to the hundreds if not thousands of sign companies who don't have one.
I know a guy in a major metropolitan area who works for 2 months a year putting up christmas lights and taking them down...the rest of the year he lives aboard his 44' sailboat in florida...Thanksgiving he drives north with his bucket truck and puts up christmas lights, holiday decorations, etc for home owners and businesses and makes a very good living.
There are many other ways to make money with a bucket truck but that is about the most unique i personally have heard of and hey I'm an honest guy...I'm a little jealous, I'd love to work 2 months a year and layout in the sun the rest of the year.