How do some bargain shop podz allow items to be sold for wooz on woozworld. I have seen at least five or six bargain podz selling items for wooz. I have tried and it's not allowed how can this happen?

You can't; when you buy a shop podz that costs beex, it cannot sell stuff for wooz. If you want to sell stuff for wooz, you must buy a special shop podz that can sell stuff like that, but they cost wooz too.