Quality of A larger studio may have more convenient hours, but may not offer you the personalized instruction you're looking for that a smaller studio may provide. It will tell you more about the studio than anything - especially when you show up unannounced. Most water removal and damage clean up restoration companies rely on public studios that welcome walk-ins as it may help to make a better, more informed appraisal of instructors. Just because a studio is close, doesn't make it the best place for water damage and clean up restoration training.
Not everyone has enough space in their own homes, yet a basement might be studio space you did not know you had. Converting a basement into an art studio can be a perfect solution for an artist needing more room to create. Don't be worried that you will offend the instructor because you look for clarification. If an instructor or studio owner doesn't answer your questions to your satisfaction, then maybe you should move on to the next studio. If the studio you're interested in offers a trial program, it is recommended you take it. It will tell you a lot about how you will be taught and what you can expect from the studio.