They'll be "investor friendly," but likely nobody I've used in the past.For the most part, this is what we'll be doing to both of them (with estimated budgets):-  Lead inspections/clean-out/permits:  $1000-  New plumbing (and new fixtures):  $6000-  Upgraded electrical (and new fixtures):  $5000-  Install forced air heating/AC (ductwork and units):  $7000-  About 50% new sheetrock and paint:  $5000-  Flooring: $2000-  Cabinets/countertops:  $4000-  Replace doors/trim as needed:  $2000-  Appliances:  $1000-  Exterior repairs as needed (doors/windows/etc): $3000-  Misc:  $1000TOTAL:  $37,000 +/-I've done literally a 50-100 rehabs of this exact scope, though I've never done one for a rental unit. 

Regardless of how well you paint/seal, that smell is in the ductwork, wall cavities, studs, (after 30 years - ugh!)

Ductwork maybe affected. 

Currently not livable because HVAC and plumbing are not in working order. 59,900 List Price90,000 Realtor Provided ARV37,500 our cash offer (no lending because it's not liveable)40-45k - Repair estimate (roof+double layer removal, foundation and sump pump, asbestos siding removal/replacement, HVAC replacement including about 40% of ductwork, electrical panel replacement, plumbing updated from cast iron, complete kitchen and bath, chimney removal, 1100 sq ft flooring, all interior doors and hardware, single garage door, windows and 5 exterior doors, yard drainage issues and tree removal, drywall repair and other finishes, possible mold remediation)$345 Expenses (excluding mortgage) $950 Monthly Rent 

Inside the walls, drywalled ceilings are electrical, plumbing DWV, ductwork and from maybe where you are, hot water heating.

Was it on the ductwork? 

Minor aesthetic updates on the interior of the home, Brand New HVAC and ductwork throughout the entire property.

Tenants then will pay for their hydro and gas.3- splitting the hydro meters and installing a second furnace with the corresponding ductwork.

Where I am at It is 8k For all new electrical, 8-9k for central AC (assuming no existing duct work ), Not too sure about plumbing because my contractor owed me a favor so he did it free, however he did replace all of the plumbing, Flooring 2/sq ft (labor only), Got both bathrooms done for about 8k including materials, the roof should be about 10-15k Obviously its different for each market  but for a presumably smaller duplex, 90k seems like a lot.

The water damage destroyed all of my downstairs drywall and flooring, bathroom vanity & cabinets, most of my heating ductwork, etc.