I.e. for carpenters, knowing how many doors need installed, all trim installed, addition of quarter rounds AFTER floors are refinished, wood filling of all nail holes and caulking of all gaps in trim.Tile installers: installation of wonder board, with all seams taped and cemented.  

Two coats of paint including ceilings and trim for a 1200 sqft. house in our market is at least $5k including materials.

Going lead free in old homes that are pretty 1950 usually means eliminating old radiators, getting the lead off them, or replacing them as well as eliminating all old trim aa well as cornices and even fire escapes. 

If so, you need to keep up on the trimming and clearing.

Could the yard use a trimming or the driveway use a pressure wash?

If you require trees trimmed or branches cut etc  I  think that would be an owner responsibility. so the every few months part makes me wonder.

This includes some major items like below upgrading septic to elgin septic system 20kupgrading electric to new cod 20ktree cutting trimming 10ktrench/French drain 10khvac replacement repair 10knew plumbing 10kcrawlspace repairs 10kappliances replacement 5kdoors replacement 5kmold repairs 3kroof repairs 3kother repairs It is in good location.

New flooring, kitchen, bathrooms, light fixtures, trim, doors, etc.

I lined up all contractors that was needed, as well as doing all doors flooring concrete trim painting cabinets etc myself..

I will need to do some minor updates to the property (painting, updating bathroom tiling, updating trims, etc) in order to get the property rent ready.