Pay off Credit Card Debt Or make home improvements

Hi all, I’m planning to get into real estate investing and I want to refinance my home as soon as possible, but I’m not sure where to start. My wife and I bought our home for $250k and according to Zillow, it’s now worth $411k. Currently, my credit score is 635 and my home is in okay shape. I have roughly about $15k of credit card debt. So my question is, before I begin the refinancing process, should I pay off my debt or make home improvements so that I get the highest value for my home?