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.

If you're in an area that has a lot of college students then you might want to think about ways to create the standards you need to fell comfortable with this.

They have helped my parents retire comfortably, paid my kids way through college and been a great way to store and build wealth.

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?  

If you are in a college area, maybe having a study room/den could be interesting with the house pre wired for internet.If you are really set on your buyer being a house hacker, another interesting option for house hacking is to have each room with their own locks, etc.

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.