Yes, this boils down to just writing good copy or creating a sales page / environment that's honest. Everything you do from start to finish in the sales proces

Yes, this boils down to just writing good copy or creating a sales page / environment that's honest. Everything you do from start to finish in the sales process needs to be believable. Like in a sales page, if you admit that you screwed up and ordered 100,000 sunglasses instead of 10,000 and now you want to get rid of them at whole sale prices, suddenly if you sell $39 glasses for $14.99 it's believable that this really happened and it's a good deal, so the discount makes sense. Now of course that could all be a lie and they cost $5 and they really wanted to sell them for $15 so they cooked up a total bullshit story but something like that is a lot more believable than trying to throw up a bunch of high pressure sales tactics based on scarcity. Picking out those lies really comes down to your reputation too, which is why sites that offer 24/7 discounts have no credibility. Basically, just be honest and it's hard to go wrong.