It is good practice in assessing STR potential and performance by combining personal research and rental experiences (rates and dates) with at least one local reputable Property Management company rental revenue estimate. 

These options would still keep your costs down while offering practical benefits that could attract a larger demographic of renters.Starting with one of these simpler conversions also gives you the flexibility to explore more ambitious plans down the road once you have a better understanding of the property's potential and your own budget constraints.Hope this helps clarify the options.

What are common practices to remove them?

Want to start practicing analyzing multifamily deals.

I was in land and Timber in ORegon all through the 90s one of my favorite business's just got back from Target practicing up in the Tillamook forest today :)  Timber though is HIGHLY regional..

Attic insulation is one of those things that I am not sure how much practical effect there is, I only add attic insulation whenever the government subsidizes the cost, and after it's done I don't see any cost saving in my utilities bills (student rentals). 

What are common practices to remove them?  

I picked RE because I had a lot of practical knowledge and experience that I thought I could leverage to add value to my purchases.

In practicality it attached to all real estate owned in that county, but the plantiff can refile the judgement in multiple counties where the defendant owns real estate. 

At least that's the practical approach.