I think they don't print one of the pairs or threes deliberately so no one wins. But I'm not sure :/
Yes. You can win multiple prizes. Many prizes are just for a free sandwich though.
Depends on the site either its legal or not if it is then they might give you the prize.
No the popups are scams used to entice people to send them money .
You can't really get prizes so don't try.
It really depends, if you're talking about in a land based bingo hall, you can see a various amount of prizes... small things from free meals all the way up to large prizes like cars. Online casinos will typically give out free bingo cards with cash prizes so you might want to check out that option.
Yes
well all of the games hav prizes but two hav really coolpzes that are different the rest giv out the same prizes
sometimes but they can give you a virus
When McDonalds has promotions you usually have to buy a sandwich or meal to get a code. You can then use this code to play instant win games or sweepstakes.
Mcdonalds
Traditional prizes may include a wreath or a crown made out of twists of olive leaves/branches.