House hack questions

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Hey guys I'm looking into getting my first house hack within the next 6-7 months. Couple questions if anyone can offer advice I'd greatly appreciate it! So I plan on going with the FHA 3.5% down and hopefully going for something in the 3-400k range in a neighborhood like back of the yards, mt greenwood, south shore but also open to other options. My dilemma is that I have about 7k in credit card debt and a $600 a month car payment. I have another car that's paid off that I am going to sell for around 15k. I don't have much for savings so one of my main questions is should I pay off my card and some of my car with the money or put it on the 3.5% down payment? I made 50k last year on taxes and have a 700 credit score. Thanks