Ok. A store has 10 generators. A storm is forcasted. He's happy because now he's going to sell all 10 at $1000 each. The generators are now sold. That's $10,000 made.
Oh Oh. 5 customers returned theirs. "Looks like I'm only going to make $5000 form this storm." Well I'm going to charge them money for my taking the generator from the service desk to the shelf, and I'll call it a restocking fee. So now I can make $500 from the guys who decided to return their generators.
If the storm was never forcasted and never came, $0 would have been made. Yet because of the forcast he made $5000 when all was said and done. Greed or anger made him want another $500.
That's the way I see it.
If he didn't stock generators, would he be blamed for not carrying them also?
It's supply and demand.
However, Lowes and Home Depot typically don't have restocking fee. But I've seen in times of storms that it's hard to find a generator right before one. (supply and demand again). Yet Home Depot & Lowes don't jack up the price on them.
They are though starting to put a sign up in the generator department that says basically "there will be a 10% (or 20%) restocking fee on returned generators" because people buy them and then return them.
They have inventory, insurance, employee costs, building costs, etc to cover. Chances are those generators have been there all year in stock and when hurricane season starts, everyone wants one. (supply and demand).
Just like Valentines day, roses cost twice as much. It really doesn't cost the florist twice as much to deliver the product, but you can be assured their supplier raises the price then also.
Another insight into items such as generators, pressure washers, etc is that customers will buy them, use them once and return them after using them. This is extremely unfair to the vendor as he now can't sell the product as new and takes a loss on selling it as 'used clearance'.
Now... back to the orignal subject of restocking fees. I typically don't buy stuff from places that have them, but in some cases it's clearly warranted. (especially on special order items, etc).