No, they do not sell them.
There is no place in the US that requires a permit/license for paintball markers.
Yes it does.
Sporting goods stores, Wallmart, Kmart or Hardware stores sell bb guns
No. Direct buy is a funiture store therefore they have no need to sell paintball goods. try look for local paintball stores or even online.
In the Sporting-goods section
Paintball pro shops are the best place to get them, however there are many websites that sell them cheap. Some good sites are Paintball gateway, ansgear, and zephyrpaintball. Some sporting and outdoor stores sell markers, but they are ususally beginner packs and other low end guns.
Not at all compared to actual paintball guns.
Zephyr Paintball manufacture all things to do with paintballing. On their website they sell paintball guns and accessories, clothing, protective gear and loaders at cheap prices.
It all depends on the city ordance on selling BB guns. Some Kmarts may not sell any BB guns.
There are numerous sites to sell your old and used paintball guns. This includes, Ebay, Pbnation, and Sellmygun.com. Though be warned, you could get ripped off easily.
yes, paintball guns do have recoil, but no where near a real gun.