ONE LAST TIP:
You absolutely can return games later and exchange them for titles that may currently be sold out. So, for example, if you wanted Guitar Hero or Super Mario Galaxy or RE:UC, you could wait for those games to come in and then return one of the games you currently have in exchange. Two limitations:
1) The games you return have to be unopened
2) The games you exchange for have to be released by the end of the sale. So, for example, you couldn't return a game next month and buy NiGHTS when it's released.
Otherwise, you're fine. The return period is 45 days, so if you can find a game you want before early next year -- in ANY Toys R Us -- go get it.
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