What equipment and things would I need if I were to open a pet store?

First of all your points are given too low!

1, of course, there is a specially designed bathing pool for dogs, but it is difficult to buy on the market;

2, it depends on how you choose, not very expensive, dog food is available in the supermarket;

3, it is easy, but you need to vaccinate the vaccine, so it will be less;

4, inexpensive;

5, around the neighborhood and downtown;

6, it's easy;

7, it depends on the size, just a couple dozen heads;

8, it can be done;

9, watch your diet and disease profile