This question is a bit vague to be answered. What purpose do you want it for is the big question here. A Ruger 10/22 and a Mosin Nagant could both be had for under $500 (actually, you could have both for under $500), but each rifle serves a very different purpose.
300 to 500 depending on condition and accessories. The rifle can be replaced for under $500
50-500 depending on specifics.
Depends on what model. Price can range from 50-500 USD
Anything from 500-10000 USD will do the shot if the shooter is up to it.
50-500 usd
The Avanti Avanti 2.9 cu ft. Upright Freezer is a great choice for under $500.
Depended on the rifle. $5-$500
500
500 or so
500 USD
I have a Toshiba Satellite P775-S7215 laptop and it is 6.6 pounds. I believe most Toshiba laptops are under 500 lbs too.
The 117 is easily worth $500 in moderate-to-good condition. If you ever find one for under $400 buy it!