Find a S&W Model 10
upgraded JG BAR10, the gun comes stock around $110
Impossible to answer until you tell if you want a handgun or long gun.
The Mossberg 500 series is the best self defense hand gun in the 200 to 300 dollar range.
There is no such thing as a good AEG for under $50. if you want even close to reliability youd have to be ready to spend between $150-200
For sale ads, pawn shops, gun shops, gun shows, estate sales, garage sales
The Whistler XTR-550 has received excellent ratings in the under $200 range.
No. It's best to take it to a gun shop to help identify it.
Singer is the standard in sewing machines, and make several good ones under $200.
Impossible to answer. "Best" is a meaningless term until you quantify it. Are you talking about a long gun or a hand gun? New or used? What will it be used for?
The best airsoft gun you could get for $150 would probably be an Aftermath gun, but you could get a JG M4 or M16 for under $150
The Canon PowerShot is the best camera under $200. It has 12.1 megapixels, 4 x optical zoom, and optical image stabilization.
The DirecTV DVR's are under $200 and can even do HDTV programming, which makes them a great choice for a DVR on a budget.