How to Test Pricing Without Issing People Off?

I think for me as ginner a, pricing's tough and er it is hard to figure that stuff out. I don't see a good way to be to raise the price without issing people,. other than if it's on sale, and you're clear that it'm on sale. It's not very fair to customers just to charge them ten dollars more because they have their own cookie. You know, i don't know. I would undo it personally.