This is really a better question for your accountant first because it depends on what you are trying to offset.

A cash-out refinance might be better if you want to park the money somewhere.

If you spread the 300k across a couple of assets, you will do better long-term, but worse short-term.

Yes, when bad things happen its a great time to be look at how you planned and prepped to be able to handle those things and feel GOOD that you were able to manage things such that they are turning out BETTER than you planned for on average.

You now will have a better understanding of syndication than anyone taking a guru course.   

Acquiring nicer assets not only provides a better living environment for tenants but also contributes to long-term appreciation and value.

I guess it depends on your risk tolerance and your ability to find a better deal than the one you already have with the equity you are pulling out.

A better plan is selling the house and renting the dirt.Mobile homes have a title just like a car.

Ask better questions.

I think starting with a performer is a better idea.