Discount on bulk orders, I would buy loads for Uni speedcubing society if there was big discounts
Variety of 3x3x3 puzzles
Availability of stock (no drop-shipping)
Choice of pre-assembled or DIY
Price
Discounts for larger orders/bundles
Range of postage options (1st, 2nd, Signed for, Special Delivery)
Fair postage cost (at cost, not inflated)
Availability of other cube/cuboid puzzles
Other (eg, international delivery, other hardware, etc)
Discount on bulk orders, I would buy loads for Uni speedcubing society if there was big discounts
Bookmarks