I just did a full price cash offer, no contingencies on a fixer upper that was dirty and smelled awful (cats) - needed a new roof, doors, windows, both bathrooms and a new kitchen as well as most of the windows and a lot of pressure washing. 

Purchase price: $194,300 Cash invested: $82,000 Completely remodeled, designed and staged for top dollar.

Will need work done outside, windows, siding, porch and inside: kitchen, some flooring, all trim, Some HVAC work and other items.

@Kyle Keller the forums are great place to get advice on that, but the BP podcast is helpful as well.My experience:1) Adding heated/cooled square footage (additions, enclosing porches, sunrooms)2) Adding a 2nd bathroom to a 3/13) Remodeling a kitchen

My partner was a roof and truss designer and hated flat roofs.Tarps are a useless choice as a long term solution to a leak. 

Hello,In my duplex the units are connected such that the kitchen odors do flow from one unit to another inspite of the exhaust fans which exhausts outdoors.

Plumber - How much to install one kitchen faucet.

Minor renovations in the kitchen, basement, and changing the fixtures for a more modern feel added significant value to the deal.

Roofs, HVAC, Water heaters, kitchen and bath remodels, tenant turnover (typically repairs and maintenance) cost me much more than $220 per month.  

Kitchen, floors, paint.