Fair with 2) and 3), but for 1), it's actually easier to buy X in bulk from an on-line wholesaler (especially if X is food) then it is to make a SMB business to stock it again. This may be a privileged position, but my favourite products disappearing from local shops is what made me discover that if I can afford one X every couple days, I can afford 20 X on-line, delivered; hell, it sometimes actually saves money.