Have you looked if the prices you're asking are in line with what someone could expect to pay on Bricklink? In fact, if you don't have a Bricklink store, it mi

Have you looked if the prices you're asking are in line with what someone could expect to pay on Bricklink? In fact, if you don't have a Bricklink store, it might be a good idea to make one. You might have more luck finding legitimate buyers there than if you're trying to use something like ebay/craigslist/FB.