Dry Feet What Should I Do About Extremely Dry Feet?

What should I do about extremely dry feet? - dry feet

My feet are very dry and cracked. I tried lotions, bath feet, pumice, and home remedies like Vaseline, but without success. I know it would be better if I wore sandals instead of shoes the whole time, but this is not an option. It is the point where I am a kind of hole in the side, where I started to pull the skin (bad idea, I know). To seek all other means or suggestions other than a doctor (with my pay and my insurance, which is an extreme last resort)?