One Pop Too Many

I am curious what criteria people use on deciding if they should return a vinyl purchase?

I figure if it is off center or warped, that is a definite return, but what about clicks and pops?

What process do people use to figure out if a click or pop is just dust, dirt, etc, or if it is a vinyl defect? Also, at what point do people think it should be returned or exchanged? Is a small, low noise pop here or there acceptable on a new unopened vinyl? At what point is it no longer acceptable?

Any input along these lines, of new vinyl and reasons to return a purchase, are welcome.

Thanks.