AI for marketing my pest control company for free for now

My wife and I inherited a pest control company that does from A-Z. We have equipment, we are both certified and we need some free ideas to get new customers in central Florida. Home owners , real estate agents, home inspectors .. my father in law had this business for 35 years but wasn’t organized and he had zero online presence.. please help with some free AI ideas ..we literally have no money after Getting all of our training done Thank you so much! Jeff