Black Ops is found cheapest on line and when they are running special pricing
you can try "Craigslist.com" to search your area for people with that offer
Pottery shop
Walmart sells it for $28.54 so you should look for cheaper than that. The preowned at Walmart sell for more at $29.99 See related link
Usually the first place you go is your local game store for example eb games, but if you dont have one i would go to wal-mart
CALL A PRIVATE DUTIE NURSING AGENT
A merchant sells it to you on the Marvelous Bridge for 500 coins,dollars,or whatever you call it.
if you want it online,go with amazon.com, if you want to buy it at a store, definitely Gamestop
America
Calling from Nepal is cheap Rs2 per min for internet calling place. Some £1 card gives 40 min in Nepal landline. I think this is the cheapest.
You should call a few rental car places and ask. It will also depend on convienience, and with what you like. You may prefer one rental company over another, no matter if it's the cheapest or not.
Go to a game stop sell some of your old boring games get a member ship caed get credit, then buy black ops from game stop.
It is set in the Vietnam War