Pricing for Adobe Stock starts at $9.99 for a single image. Creative Cloud customers get a discount on the 10/images/month package, which will cost $29.99 for them (and $49.99 for everybody else). There is also a $199.99/month plan for those who need up to 750 images per month.
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).