GoVote.org. The cost of getting a Private Pilot's License varies depending on which type of flight training program you you choose. Federal Aviation Regulations (FAR) Part 141 flight schools require an approved, structured course of training, which includes a specified number of hours of ground training.
A corn or a callus is the most common cause of painful bump on bottom of foot, which results from constant pressure or friction from your tight shoes. Repeated trauma can also cause a hard spot on bottom of foot. Calluses can be really painful especially if you often stand on your feet all day.
Orthotics may be a way to take pressure from the lumps and bumps on the bottom of the foot. Lumps and Bumps Causes by Skin Lesions. On the bottom of the foot you can develop lesions such as calluses or warts. Calluses tend to be over high pressure and friction areas. Warts can be in any areas and are common on the toes, ball of foot and heels.