One in particular is really killing it right now and has been since I started funding his deals almost 2 years ago. he cast a wide net though no doubt.

know about cast iron plumbing?

The first couple of auctions have seen some insane bids cast for bad properties...That is what it has been like here in Texas the last few years.

By comparing the 3, you will get a sense of the market vectoring (direction & magnitude), to help get a better sense of things for forward casting. 

Just keep in mind that very few markets hit the 1% rule consistently these days—especially in stable or appreciating areas—so don’t let that be a dealbreaker if the fundamentals still look strong (rent growth potential, landlord-friendly laws, job and population growth, etc.).A few tips that might help:Focus on a few markets instead of casting too wide a net.

Cast iron 50 to 60 years.  

(FYI, not sure the timeframe you're doing the analysis on but most of these major items I'd say have replacement times longer than most investor's timeline horizon for holding the asset... still)Roof: 15 yearsWater Heater: 8-12 yearsAppliances: 10-15 yearsDriveway: 25-40 yearsFlooring: 10-25 yearsPlumbing: 25-50 years (copper and PEX), but Cast-iron plumbing likely already at the end of its life in 2025 if it was installedWindows: 20-40 yearsPaint: Interior - 5-10 years.

cast a wide net - 30 minutes out, an hour out.hope this helps

Networking is absolutely vital, and especially when you are new or entering a new field/area, casting a wide net is important. 

Platforms like HelloData or Rent Cast are great tools for pulling real-time comps and spotting shifts quickly.