So far, this seems to be too small of an opportunity for commercial lenders, and I would think private lenders' terms wouldn't be as attractive.  

We(my partner and me) have discussed on the strategies which we need to adopt.1.Which strategy to a adopt as a beginner to attract customers?

Could help you attract higher quality tenants down the road.Otherwise, you could set up a Facebook business page for your rental property and ask her to leave a review there.

This value-added amenity attracts renters, provides a huge competitive advantage and encourages renters to sign more expensive leases, as they know they can recoup some of this money through short-term rentals.

As a leader in the film, television, and the video game industries, Orlando proves that is more than just a city with a theme park, it is a place to live, work, and invest.General Facts 3rd most populous city in Florida26th largest metropolitan area in the U.S.Due to the plethora of tourist attractions, it is consistently one of the most visited American citiesRanks in the top 25 of the most literate cities in AmericaStrong tech hubOn 2014’s 100 Best Places to Live (Livability.com)

Our properties are just far enough from campus to avoid the "frat zone" and still attract good renters- whether they be the more serious students, those putting themselves through school, grad students, and young professionals.  

Question is...will replacing the windows attract a better tenant at higher rent or should we leave as-is?

Like Jason mentioned, the inventory is high here so its important to buy a unique or special place in a good location, and make sure the furnishings, home,  and services you offer are well above average to attract bookings.

When I first started lurking on BP I was thinking that an attorney would be an attractive partner for some people, but I am getting the impression that most people around here view their attorneys--if they have one at all--as a line item expense on their budget and not an integral part of their operations.  

Turnkey operators love to advertise that way because it often makes their investments appear to be more attractive than they usually are, but it is often total bunk based on blue sky pro forma projections that you will never see or achieve.