They tend to overcharge for rehab and/or overvalue the properties they find investors and then overpromise on the rents they can get. 

This tends to be the issue with these lower cost homes, unless you buy them very very cheap.

They tend to go out quickly and rarely look as good. 

These tenants tend to stay longer because they know they'll have a harder time finding a smaller house.  

If it's a refinance, brokers or institutional lenders tend to have great terms.

Thought about Stainless Steel wire, but tends to sag if people put their feet on. 

Because you already invested and presumably can't get out, your brain will automatically be selective and tend to trust the positive information and ignore bad information.

Most agents, I can tell you from experience, will not spend too much time on you since your so fairly new and at your purchase price your not a big fish so they will tend to put you on the back burner since heir return is not going to be a game changer.

I always need to remind myself about that, because I also (like many millenials) have a problem remembering what my bigger picture goals are, so I tend to want to sprint so that I don't forget and hence lose myself in the flywheel that is day-to-day living.

That may not matter to you, but I tend to want to work with other investors, even my loan originator, realtor, title company, etc.