A buyer usually prefers new appliances included because they are getting rolled into their 30 year long term financing and even at current rates that is a lot cheaper than buying them later on a credit card. 

I am in debt with mostly good debt, a little bit of credit card debt.

Consider getting a credit card or doing other responsible actions to build credit if you don't currently have any.Note that the secret to real estate investing is patience.

No need to have major debt just by having at least one credit card and using it often will help you.

Prime interest rates, or the rates the government lends to banks, affects what rates banks can lend out their money at, as well as many credit card and other rates that are based on it.

It could be marketing your interest to motivated homeowners via yellow letters, post cards, cold calling, whisper messages, door knocking, driving for dollars, etc.Whatever method you select, use it constantly and relentlessly.

You don’t want to shop at the local home depot every-time your GC needs something.3) Apply for 0% interest credit card for all your material buy and keep it rolling for 12-18m.

My credit score is above 700, I don't have much debt (5k on a credit card and 20k student loans). 

Go Cards!

If you had the ability to control your credit card interest rate and you had a ton of debt, wouldn't you lower it?