What education is needed to open a pet store?

An education in Business & Financial dealings, Legal Rights for Business Owners & Customers, & etc...

You also need to be able to find a place to gather adequate products - kennels, bedding materials, food, healtcare, grooming, & so forth.

Along with a healthy, well cared for source of animal stock - a number of petshops are opening now days where animals are not sold, & this is said to be better arrangement.

If you did sell animals, you should read up on all the species that you choose to sell, as a lot of people look towards a petshop for animals advice.