How much is your time worth to you? If you have a business that you feel provides a worthwhile product and the amount you charge for that product does not provide the lifestyle you desire, either improve the product, accept a lower standard of living, or quit/change the business.
If you feel you could charge more but it would be “unfair”, don’t worry, no one will buy it unless you are doing something unethical, like a dishonest mechanic or a doctor who lies to trick people into procedures they don’t need or you have a monopoly on an essential need.
If that doesn’t describe you, then charge a fair price for your cost and time. It seems like you don’t value your product or your time and you are looking for a way to trick yourself into be ok with that?
That there are so many ways to store data on a browser (including exploits) and that they expose so much information about your physical device is a big part of the problem. Even barring that, there are additional ways they can fingerprint a user. While any one thing might not be telling, when you take all of them in combination, it gets frighteningly accurate how easy it is for them to know exactly who you are.