Am I good to go ahead and take out the cashflow now and adjust later if my analysis predictions were incorrect?

Each of these bars would have their own separate path back to the main panel.Where you're incorrect is the "ground follows the same path".

Don’t allow incorrect comps to make you overpay for a property.3.Determine the Repairs Before You Bid: Get inside the property and make a punch list of repair items and upgrades that will be needed.

Elenor, Your concepts are completely incorrect.  

If a landlord incorrectly registers the rent (e.g., if the landlord registers more rent than actually received from the tenant), the landlord is subject to a fine of up to $500 per instance.

'MOST' windows are flashed and sealed incorrectly if at all. 

. $15.00 per closetLight fixtures – glass cleaned and bulbs replaced $15.00 per fixture /$1.00 per bulbCeiling fan, blades- clean top & bottom, motor housing dust free $30.00 -$50.00Vacuum – per room (carpet is shampooed by management after move out at no charge) $15.00Carpet- burns, stains, soil as per estimate / replacementBaseboards – dust, wipe off, vacuum per room $15.00 per roomA/C vent cover – vacuum, dust $15.00Windows – Glass, tracks, clean and dust free $20.00 per windowTo remove window pane, slide pane to center of track- grasp each side, gently lift up and pull forward to remove, clean, replace in correct order.Window- Glass replacement $35.00 per windowScreens replacement- $25.00 per window -$40.00 per patio door $25.00- $40.00Mini-blinds replacement $20.00 per windowPatio door – Glass, clean both sides, track vacuumed, wiped clean $35.00Patio blind replacement $50.00 per windowOutdoor patio globe- clean $15.00Sweep off patio and railings $15.00Bathroom exhausts fan/vent cover, clean, dust free $15.00Bathtub, clean tub and tile surround $25.00 – $60.00Bath sink, vanity/countertop, clean $20.00Bath – medicine cabinet, clean inside, mirrors, light guard $20.00 minBathroom floor & wall tile – wash, clean tile $20.00 minTowel bar replacement $18.00 minToilet tissue spindle replacement $5.00Toilet – clean inside bowl and outside $20.00 minToilet seat replacement $20.00Kitchen cabinets – wipe off grease; remove shelf paper, empty out $20.00 minKitchen-sink, countertop, wipe off, clean garbage disposal ring $20.00 minDishwasher – clean, remove any food particles from inside $20.00 minVent hood – wipe off grease, clean filter, clean light guard, top/underside $20.00 minStove/ Oven- wipe off exterior, clean under drip pans, clean oven/racks $25.00 min to $125.00Drip pans – clean (replacement cost is $7.50 each) $30.00 maxBroiler pan replacement $20.00Refrigerator/ Freezer-wash off exterior, top, seals, inside, crispers $20.00 min to $75.00Walls / Woodwork – remove nails, screws $15.00 minWallpaper boarders-removal per room $50.00 minNicotine – stained walls/ woodwork that require cleaning (see below explanation) $25.00 per hour min.The cost to prep the unit for painting requires the walls and woodwork to be washed clean from the smoke odor/ and nicotine stained damage.GaragesGarages should be swept clean and all debris removed.Floors should be clean and free of oil and fluids. $25.00 minABANDONED PROPERTY REMOVAL DISPOSAL CHARGESKitchen table $20.00, Kitchen chairs $10.00 each, Upholstered chairs $20.00 each, Sofa/ Couch $35.00- $50.00, Hide abed $45.00, Mattress $20.00, Box Spring $20.00, Dressers $40.00,shelves, entertainment centers, bookcases, end tables, coffee tables, $15.00 - $50.00 each.Computers, Monitors $15.00 each, Televisions & Stereo Equipment $25.00 - $50.00 per item.

":)Maryland may be different from the Bay Area, but local to me our industry is full of idiots who will give incorrect information and/or say "no," rather than say "good question, I don't know, let me check."

I do not want to give you incorrect information. 

It looks to me like it would be a terrible deal even with the low cost of the home, unless i'm incorrect in some of my estimations.Thanks!