I have noticed my problems occur almost exclusively with the smaller/cheaper homes that attract single people or unmarried couples, usually without kids.

Both are attracting attention for their affordability, growth potential, and appeal to new residents looking for a quieter lifestyle.

A bit long on the payback but add in any value increase to the property from doing it, including its increased attractiveness to condo conversion down the line, immediately better cap rate, etc...and it could be worth it.  

It's an awesome place to live in a city that will always attract young ambitious talent.I'm not suggesting that these specific markets are good for you.

Customer service doesn't even begin to describe this chain of events; this is guided missile level sales follow up and over the top attention to detail and customer attraction.

The best way to attract private money is by finding a great deal.

What are some effective strategies for attracting commercial tenants to my property beyond listing on LoopNet?

This probably seems attractive but at the same time if it stays unpermitted it can be head aches along the way and if i were to ever sell in future run into the same sort of problems. 

Lake Pueblo is the largest attraction in the immediate area. 

If you're struggling, consider offering higher returns initially to attract investors, or partnering with someone who has a solid reputation in the industry.