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.

Let her feel some percieved form of control and figure out your next move from there.Don't start with a cash for keys offer.

In San Francisco, renting illegal units is a double whammy as you technically cannot receive any compensation for an illegal space while at the same time you are unable to evict anyone due to the eviction control in San Francisco.

Partnerships or joint ventures are also effective for splitting equity and risk, while lease options can allow investors to control a property before finalizing the purchase.

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). 

@Patrick Drury Currently with just primary and 1 investment property out of state, I am finding it hard to keep track of these URLs, I didn't opt for Escrow for taxes since I want that to be in my control, so I invest them in other forms.  

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.

What are common practices to remove them?