@Richard Pulido
I'll send you a connection request... you accept and we can use BP to message after we are connected...
So, to answer your question about repairs costs... that is an acquired skill, so yes, maybe you get a couple of quotes from some "recommended" contractors... but to be quick and accurate, you just need to get a feel for it.
needs windows? 7 x $XXX
bad roof? $XXXX
Kitchen overhaul? $XXXXXX
you can't be the expert, but you can sure learn from one and get in the ballpark on estimating. Sometimes you don't know there's a problem with the electrical, and that can happen... but most of the time you will get into the ballpark and not look foolish to someone kicking the tires of your deal.
Now for ARV: After Repair Value... What will the property sell for fixed up new? You can get a Realtor or two to give you a CMA - Comparative Market Analysis. Eventually, as you farm certain markets, you will get a good understanding of what price houses are moving at, and be able to do your own quick CMA...
Keep asking questions my friend.... there are lots of people that will scratch your back for you... My philosophy is the ole' "what goes around, comes around".
Steve