We are considering refinishing the floors instead of putting carpet back down. 

Architecture student here- with regards to the question of the "underlying condition" issue, remember that if you simply refinish a porch/stoop, and there are issues of the foundation structure, the refinished material may crack immediately. 

Upgrades to all kitchens, bathrooms, refinish hardwood floors, potentially replace roof and potentially change layout of living/ kitchen into open concept.thanks,satha

Whatever damage they do, short if snapping it in half, can easily be repaired at move out by sanding and refinishing the surfaces.

Complete refinishing of kitchen and bathrooms.

Here are other possible sources of lead: lead-based paint used in the interior/exterior of older buildings, lead in paint chips, lead in plumbing pipes, drinking water, job sites (lead contaminated clothing brought home or on the skin), old painted toys and furniture, food and liquids stored in lead crystal or lead-glazed pottery, lead smelters or other nearby industries releasing lead in the air, hobbies that use lead (pottery, stained glass, refinishing furniture), some folk health remedies, painted objects brought from foreign countries.Also, if the children are in daycare or frequent another location, check if exposure may have come from that location.

ARV is 130k should I go through the expense of having it removed and refinished or leave it alone?

New Kitchen, New Bathrooms, Increased Square Footage Upstairs to Build Out Giant Bathroom, New Windows, Refinished Original Hardwoods, New Roof, New Paint What was the outcome?

Just to clarify, all the floors have already been refinished in the last two years so the only floor we would refinished is the foyer so it would match everything else.

My aunt (who is an actual executive) refinished a bathroom in a rental she was in temporarily :-) It's not a guarantee, but trends that way.