Avoid $20k Repair Nightmares - My Inspection Red Flags.
Module 5: Due Diligence Deep Dive, Lessons 1-3.
Key Lessons: In-person tours (roof/furnace checks); Rent Rolls/Leases/Liabilities; Following Through
Bonuses: Tour Guide Checklist + Request Email
Hey, it’s Seth - I once walked into a “perfect” duplex on Zillow…
30 seconds later I found a $28k foundation nightmare and walked away.
Today you’re getting my exact 10-minute tour checklist that has saved me over $150k in disasters.
NEVER BUY BLIND — TOUR LIKE A PRO
Your 10-Minute Red-Flag Checklist (phone out, flashlight ready)
Roof
Red flag → curling shingles, dark patches, 25+ years old
Green → under 20 years, clean edgesFurnace
Red flag → 20+ years old, rust, weird noises, dirty filter
Green → under 15 years, clean, humming nicelyWater Heater
Red flag → 12+ years, rust at base, leaking
Green → under 10 years, no rustFoundation / Basement
Red flag → horizontal cracks > ⅛", bowing walls, water stains, musty smell
Green → only hairline vertical cracksWindows
Red flag → single-pane, fog between panes, broken seals
Green → double-pane, open/close smoothPlumbing
Red flag → slow drains, brown water, low pressure
Green → strong pressure, clear waterElectrical
Red flag → knob-and-tube wiring, open junctions, flickering lights
Green → 100+ amp panel, GFCIs in wet areasSmells
Red flag → mold, heavy pet, cigarette, sewer
Green → fresh or normalNeighboring units / tenants
Red flag → hoarder piles, loud music, junk everywhere
Green → clean, quiet, normalStreet vibe
Red flag → cars on blocks, bars on windows, trash everywhere
Green → well-kept, kids playing, pride of ownership
My rule:
One single red flag that the owners wont fix = walk away.
I killed a $189k duplex because the roof was 28 years old — saved myself $20k instantly.
ACTION #1 — DO THIS WEEK
Download the In-Person Tour Checklist (printable + phone version)
Tour 5 duplexes this week — checklist open, flashlight on
Kill 4 → the 5th that survives is your winner
Never fall in love until the checklist says yes.
DOWNLOAD IN-PERSON + VIRTUAL TOUR CHECKLIST → (#bonus-vault)
Next lesson: its all about verification.
See you in Lesson 2!

