A fresh coat of paint and some new landscaping might work wonders, whereas new windows could cost a bit more and not appear to be as big of an improvement to current or future tenants. 

If the purpose of painting the unit is to make it fresh and "new" for a new tenant, why would a landlord paint while the current tenant is still occupying the unit? 

In some cultures leaving a door or window open for fresh air, even in winter, is common.Actually the list of cultures with open window and open door behavior is quite extensive.

I'd dry the carpet by putting in a fan, open the windows, and let in fresh air.

I appreciate your fresh look on the situation.

The house was in pretty good shape - fresh paint and carpet, new kitchen with granite counter tops, and new windows. 

I will also look nicer when freshly painted and help hide imperfections in the walls.

The liability just rolls over and with each exchange it sort of starts fresh but since you are always exchanging up your liability will continue to grow.

Any fresh graduate with a degree in computer science could become a "consultant" upon graduation during that era.

The plan is to manage a few myself with TenantCloud- then when I have my systems in place I am going to hire someone to do the book keeping/showings.I just listed my first property which was a fresh rehab.