I just ran across the information online. I don't know anything about them, personally. I don't know if their pricing warrants the drive. But it is an option.
Misfit Clinic is a low cost spay/neuter clinic located in Tavares.
Misfit Clinic - Lake County Low Cost Spay/Neuter Clinic
(352) 742-0690
Wednesday – Friday
2nd & 4th Saturday
8:00am – 5:00pm