You are doing good cost wise, it should be worth 3K to 4K with all the bugs worked out. Any old bike needs some kind of work done to it. These bikes are very reliable and last a long time. Several of them have gone over 200,000 miles, I think I can remember someone getting over 300,000. The only possible issues you may have will be failure of the ignition unit or the TCI. Member Dingy sells aftermarket units that work great. The diaphragms on the carbs develop pinholes and improperly stored carbs get all plugged up. I have a video you can borrow about how to properly rebuild your carbs, but parts get expensive but it is worth it. Large doseages of Seafoam work miricles...