Pet Shop Clipart How Do You Know That A Pet Shop Takes Care Of Its Animals?

How do you know that a pet shop takes care of its animals? - pet shop clipart

I want to buy in 2 guinea pig. Where I live the RSPCA for a pet shop is the only option. I do not get sick piglets and how can I know that they are a reputable store? I know how to tell whether the guinea pig is healthy and right, but what the business?