Usually, photographers accept both cash and bank transfers, taking a 50% retainer due before the shoot. Exact due date for retainer and the balance is mostly up to the photographer. Up-front payments are taken to close a time slot from further advertisement and cover gear rental costs.
What Sells Best On Shutterstock?
Some types of photos that sell best are Portrait Photography, Food Photography, Landscapes (usually with people) and fine art photography (artsy).