One thing that can really put a crimp in your study of martial arts is travelling expense. Face it, with the outrageous cost of gasoline getting ever worse, it's hard to make it to class week-in and week-out. Many people are having to work odd schedules just to keep their jobs, and it is increasingly common for the class schedule to not mesh with your dwindling personal life.
Here's an easy and cost-efficient way to relieve these problems. Instead of everyone going to the instructor, bring the instructor to you! Instead of a bunch of people using up their gasoline to get to some central location that is not really ever as convenient as you would like, why don't you get a group together, choose your own venue, and everyone pitches in a little money to bring an instructor in.
If you would like to hire me to come teach you aikido or judo, you can contact me at email@example.com. I'll work with you to get you some great martial arts instruction in any venue convenient to you, and at a price that you will like a lot better than having to pay for the gas to come to me.