I did look for the parts because I was interested in getting one made...however many of the parts still aren't ready to go (control side), but the hardware cost

I did look for the parts because I was interested in getting one made...however many of the parts still aren't ready to go (control side), but the hardware cost other than that was fairly reasonable in the $500-800 range depending on how big you were going to go and which motors you chose to use.