Ok, so you're looking for some cheap drum kits right? Well, there are a few things to keep in mind when buying one:
Here we'll mention some of the best sites to buy discount drum sets online, hopefully saving you a few bucks!
This site is the biggest online musical instrument retailer right now, and they usually have the cheapest prices for most drum kits on the market (yipee!). Delivery is nearly always free and they also sell some Scratch 'n' Dent kits and some used kits at low prices too. You should should definitely check 'em out. Visit Musicians Friend.
This site is still pretty huge, and actually sells a few drum brands that the first site doesn't. Again, they'll usually give you free delivery and the prices are quite low. There are a few used kits as well if that's what you're looking for. Visit Instrument Pro.
Now, this site offers some fairly cheap drum kits too, and there's a variety of different brands on offer. They aren't well known for selling drum kits, but don't let that fool you, they actually stock a lot! Plus, they have used kits on offer as well. Visit Guitar Center.
Other than these sites, you can look in your local classified ads, newspaper ads, magazines ads, or of course head over to eBay and see if you can pick up a bargain in the auctions. To get the cheapest price it's just a case of shopping around, the websites above are going to be you're best bet, but definitely check these other options too.
Hopefully, this will help you to get a great sounding kit at a price that you'll be happy with. Bye for now!