Negative rewards points?
If I make a purchase that I earn rewards points on, then spend those rewards on another purchase, making my balance almost zero, but then need to return the original item that earned me the points in the first place, will they deduct it enough that my balance goes into the negative? Like if I had 100 points left after redeeming 1000 points, but then need to return the item, will they deduct that 100 points AND make my account balance negative 900?