Can a 25 foot long 6"x4"x.210" 6061 aluminum association I-beam can span a distance of 24 feet?

We focus on year leases and sometimes allow existing long term tenants to do shorter renewals if they're nearing the end of tenancy and moving or what not.   

It was under my metric but the property was right next door to another property I own so I figured certain maintenance issues could be lumped together for economies of scale making it a better deal in the long run.

As long as the military doesn't have any prohibition on you having a house/apartment as your "residence", then I don't see any reason you couldn't.

Why do you think purchase contracts are so long and have such small print?

We are looking at purchasing a turnkey property near UTSA where it will be our primary residence for two years and then a rental.

To me , that waa so smart because the closer we are in agreement when we start the offer the less back-and-forth there has to be. if Real estate is Sales, I’d like to see actual selling skills and that goes beyond passing written offers back-and-forth. 

You either need to become an expert and do SEO yourself or hire an agency that has a complete plan and roadmap for getting you to a place where organic motivated leads are flowing to your site at a rate where you are taking down profitable deals each monthMike Plactere of We Buy Long Island Homes Fast is a perfect case study of someone who used this approach and is dominating his market.  

So I strive towards using Lodgify which is a standalone solution that hosts creating a web front, connectivity PMS Channel manager with seamless integration with air airbnb and booking.com. although the platform is very useful we are now seeking towards expanding to a new platform that can onboard us with more rental platforms، based on my research I found a channel manager by a company called Rategain, unfortunately we cannot integrate it seamlessly so the solution would've been to use automation software (Zapier) that can bridge both platforms.

As long as this 4plex would be in a high-cost area then conventional would still be a possibility for you.