Knowing that they were rehabbed in 99 should prompt more digging imo.

I've spent the last few weeks and 100+ hours digging into many of the resources on BP and in the REIN network, and now want to join the conversation! 

If I keep making connections and digging around, do you think that 50k - 80k is enough to get something good going with a 2-4 plex?

Welcome @Eduardo Suarez dig into the material the main man@Linval T. provided for you.

Dig into the forums.

Search took a long time and a lot of digging to find something off market.

The best strategy - look hard, dig deep and have a great team looking for the next property.

It can be found at https://dl.dropboxusercontent.com/u/105466347/713bonniebrae.pdfPLUMBING: Replace PVC piping connections to water heater with copper (37), repair or replace damaged ice maker (45); replace damaged dishwasher hose (48), replace leaking pipes under sink (49); replace sub floor under tub and toilet with accompanying tiling to area floor and address relevant leak(54); replace flexible drainline(64); Install missing bathtub drain stopper (62); add backflow prevention to outside spigot (91)STRUCTURE: Replace hurricane straps with approved nails (71); reclean ductwork (74); extend gas fired flue (86); Remove standing water; dig vent wells and/or repair basement walling etc to stop water entering crawl space (87); insulate water pipes in crawl space (92)ROOF & GUTTERS: Replace damaged duct end-cap and cover (10); Add downspout extensions to divert rainwater away from house: Add matching gutter extensions to extend from roof into gutters; Clear moss from roof (20); Add splash blocks and diverter pipes away from structure (14); Replace rain boots and do remedial roof work(13/15); align gutters properly and renail to fascia for correct flow(16); extend downspouts into gutters (18), clean out downspouts and gutters (19); repair leak point (70)ELEC & HVAC: Install 1 carbon-monoxide detector in hallway near base of stairs (27); Install balance of internal coverplates as well as exterior outlet cover (28,29); Make good loose light fixtures (30) and attach faulty dishwasher bracket (46), replace HVAC filter (77)INTERIOR: Remove old or molded caulk and silicone to tile in bathrooms (58,59,61,63)and and kitchen back-splash (50).

Use as much info from BP as possible and dig right in.

Lots of great articles to read and learn from here, so dig in!