If you were a flipper and flipped other property, that could seal your fate.

Treat the area thoroughly with Microban....then add adequate venting....a thick vapor barrier which we usually bring about 1' up the sides and seal off the edges.

The market will continue to gain value but there is a sealing " to a degree" on the rent. 

Water may be leaching out under the basement floor (might be associated with cracks)There are a bunch of little things that are easy to fix (doorbells not working, loose window seals, smoke detector batteries, ect).

I’m planning on converting my condo, which is currently my primary residence, into a rental property in the next several months but I’d like to get my front door fixed.Right now the door doesn’t have a good seal with the door jamb when closed.

I've not installed one yet but when my battery backup pump goes, I am going to install this. https://www.angieslist.com/articles/why-you-should...I also plan to seal my basement before I finish it as a last line of defensehttps://www.radonseal.com/basement-waterproofing.h...I would ask 2-3 waterproofing basement companies to come out and give free quotes, and you can use this as an opportunity to pick their brain as well. 

any flat roofers know best way seal a leak in modified bitumen roof when cant find starting point just end point?.

Changing the air handler or installing a core in the plenum is also the time to clean the existing ductwork and seal all leaky joints that can be accessed.If you do not already have forced-air in the house, then ductless AC or heat pumps are worth a look.  

At the bottom does "seal" mean signature?  

We will pressure test the entire structure 3 times during construction and once at final turnover to ensure our air sealing measures were successful.