I reckon the other Rolling Hills inmates didn't buy anything. They just went and dragged random shit out of her already extant hoard and chucked it into gift bags.
"Oh you guize!!!!!! How did you know Ah laaahked journals? It's soooooo caHEEEoote, an Ah only have five thousand!!!!!!! And wax melts!!!!!!! AMAYzeeeeeen home decor from the "Crap So Tacky Even We Can't Sell It" Wommart aisle!!!!! And this blanket is soHOOOOO soft - Ah had one just like this and lost it..."
*the others tense and look down at their feet. Well, Becky looks at her gut - she can't see her feet since she's been on Albert's weight loss plan. But all is well, the behemoth has moved on to wheezing over the next pile of pointless, witless crap...*
Later, after single-handedly eating the entire Christmas hippo, we get a private, snivelly moment with our goorl -
"....eeeeayurnd Ah am so thayurnkfurl for mah amuHAYzeeeeen freyunz* who jurz put saHOE muurch thoughtitudinousness into mah geeeyurfts that Ah gave theyurm the money to bah for me. Ah cayun't belEEEEEve they got me sturff Ah'd taHOEduhlly get for mahself an it's all juz....Ah cayurn't believe.....cyyooooote.....lucky......rully, rully luuuurve me.....blah blah blah blah BLAAAAAH"
Meanwhile, the amaaayzeeeen frenz are getting slammed on the various substances they bought with said money, knowing she'd never notice they "gave" her all her own crap and the only way they can get through Christmas with the squealing is smashed off their faces.
* Autofup tried to make that "cretins." At last, it is learning.