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.
A lump or painful bump on bottom of foot can be due to various causes such as infection, trauma or tumor. Some people also develop a hard spot on bottom of foot that is painless under the skin. These bumps may remain the same size or grow slowly or rapidly.