I'd imagine that the cellular provider would be seeking to improve the infrastructure in the particular area first?

After a few not so great results you suddenly improve your skills like anything else. 

I've found it best in my past to manage versus actually do it.

The property value has been improving nicely for me, so I was thinking of selling it to lock in the profit (trying to time the market :D ).

Perfect prey for gurus, except this group usually lacks money they can take from them.Move up the age spectrum, young adults, much like the younger group but they are more mature, judgment has improved but generally we are still rather naive and trusting.

Are there any other improvements on the property like fencing, grading, roads, etc.?

If you add it to your balance sheet to improve your net worth then, again, that is not profit.  

what can I offer to them to improve everyone's position?

While it's just as possible that rates could improve tomorrow (after all, if lenders already "knew" that rates were going higher, they wouldn't be wasting their time offering you lower rates today), the classic lock/float quip applies: it's better to lock when you should have floated than to float when you should have locked.

Feel free to add anything or comment your opinions...To Survive Over The Long Run Managing Your Buy and Hold Investments:Understand that your business is to provide quality housingUnderstand that you're looking for quality tenantsUnderstand your goal is to satisfy your quality tenant so they keep buying from youTenants are looking for convenience and superior comfortGreat value within the areaThe Process of Buy and Hold InvestingPrepare investment property for rentalMake a decision on your exit strateg(y/ies)The better the neighborhood/area, the better your security to hold the property for cash flow versus to flip it (generally)The better the neighborhood/area, the faster the appreciation (generally)The better the neighborhood/area, the smaller your profit in cash flow (generally)Staging is an option to consider as well when preparing to get the property ready to marketDoes "The Thinking" for the tenant and helps them to picture themselves living in your homeMarket rental propertyCraigslist is a good marketing vehicle to use when marketing your property to tenants...