That said there is a ton of free information and education here on the blogs and podcasts to keep you busy for the rest of the year and longer.

@Justin HochleutnerWelcome to BP, and congratulations on making the decision to invest in your future via real estate.I have written a few blog posts that may help you get started here on BP, and with your investing.

@Tyler SmithWelcome to BP, and congratulations on making the decision to invest in your future via real estate.I have written a few blog posts that may help you get started here on BP, and with your investing.

Watch or listen to the podcasts, read some blogs, and definitely read some books. 

I would suggest going through the podcast to have an idea of what interests you then look for more information on BP through forums, blogs, & asking.

The podcast, videos, forums, and blogs are all free.

I'll check out the blog posts more.

I wrote a post on how to find comps and calculate ARV that you might find helpful: https://www.biggerpockets.com/blogs/8814/68395-how-to-find-real-estate-comps-and-calculate-after-repair-valueTo answer your major concern, when you get comps that have a large range, there’s usually a reason that you have to dig deeper for. 

It has been going up 15% for the past couple years. https://www.weknowboise.com/blog/real-estate-market-trends/ That's not to say I want to 'bet' on appreciation, because I do not want to be playing that game.

@Csilla Veress A couple of books that may help with understanding PV (present value) calculations, as well as note investing in general, are:Invest in Debt by Jimmy NapierPaper Profits by @Joshua Andrews  (my personal favorite)This blog post by @Mike Hartzog may also be helpful:https://www.biggerpockets.com/blogs/5359/41924-doi...PV is the way most note investors do pricing for performing notes, but for non-performing, you'll want to build an ROI calculator as  @Chris Seveney suggested so you can look at various exit scenarios and take into account costs like servicing, legal fees, insurance, etc.