@Juan MoraIf that is what it was, it wouldn't be horrible... but I'm willing to bet it won't be that:First off, you are betting you can get the house down to $450,000.  

That is just something I happen to know a lot about because I've worked in pricing algorithms for airlines etc. in the past and I think your average self manager has horrible pricing.

The existing carpeting is in horrible shape and desperately needs to be replaced - I'm ready to and WANT to install the LVP flooring, but how to do that while the existing tenants are there?

Any one who advises that you keep or transfer Title to your names to obtain lending then transfer it back (horrible) are obviously residential lenders.

Section 8, here, is horribly.  

This is really disappointing because I am ready to purchase another property today but will not get approved or have horrible loan terms due to a 640 credit score.Does anyone have any recommendations on how to remediate this issue?

It was a horrible experience.

If this is a money saving plan it’s a horrible one.

Idaho is a close pivot to the right, but its a horrible place to invest.

Aside from the horrible context you put the good news in; I do commend you on a successful forray into real estate investing and encourage you to do it again.