I must confess that I am somewhat puzzled by the ongoing emphasis on getting the rating done quickly and cheaply, especially the PPL. What happens after that? If one is intending that someone else pays for flight time after the rating, then maybe it starts to make sense. To remain reasonably proficient and safe in a helicopter requires, IMHO, a minimum of 75-100 hrs flight time per year. Unless one's employer or others are picking up the tab for this, it does not seem all that important to accomplish the PPL fast and cheap unless one intends to stop flying at that point and use the rating for bragging rights.
I would certainly agree that be well prepared for any training is the way to go.