Difficult to appraise because there were no comps in the area.

It will be not only complex (but doable) to secure financing for it, but the real issue is that if you ever want to sell it, it will be super difficult for prospective buyers to secure financing unless they are seasoned investors which limits your potential buyer pool and potentially your offloading price.

It's great to work with a real estate-specific tax professional but it's difficult because you don't always know what you don't know.

I know I'll have a vacant place for quite sometime as it is difficult to find people to rent these rooms during this time of the year. 

For that, it makes Denver difficult.

I think it is very difficult if not impossible to write a lease from scratch and get it right - experience in both representing landlords and tenants over time leads to better and better language.

I would think a detection device would be easy to fool or disable, and difficult to prove in court.I would focus on inspections and look for the following evidence, then document with pictures, written warnings, demands of cleaning/repairs, and follow-up inspections.

real estate that produces more cashflow' is difficult for the beginning investor. 

If you can prove he is living there (which can be difficult), you can then serve her with a notice to quit based on your state's laws. 

One caveat on small shops, they are great but also you have to know when a job is too big or difficult for them.