If you write a e-book you are capable of acquire passive earnings but not residual earnings. you can sell that product to 1 character once. That same person may additionally as well purchase one or two extra copies to present them away as items in the event that they genuinely favored the e book. alternatively, what I suggest here is that the book is a pro T-Volve duct that is supposed to be sold to at least one character as soon as. On common each purchaser you get will purchase handiest one copy.