Have never bought local, and honestly the only way it could be worth it is when there's a sale.
C-3PO cost $425 shipped from sideshow, which is already a lot more than the $340 I could've picked it up for from amiami. Popcultcha's price is $500.
DX11 ex. cost me just under $300 shipped from sideshow, and I get $14 in reward points. Popcultcha has the regular reduced from $350 down to $310. Props to those who can afford to shop with the 'buy local' attitude, but the extra 10%-and-then-some you have to pay at local stores is not insignificant for me.