None. Monthly fees in Tbilisi range from . For that price, you get high-level instruction (often from Brazilian or Georgian black belts) and clean indoor mats.
While dedicated "free" long-term Jiu Jitsu training in Tbilisi is not common, several top-tier academies offer free trial classes or introductory sessions for new students to test the mats. Top Academies with Free Trials jiu jitsu tbilisi free