Most cost effective way to go is SERIES LLC.

Please feel free to reach out if you would like to connect

Let her go, get the place treated so it is 100% roach-free, and then find a new renter.At the same time, I would have an attorney draw up a letter hammering the HOA for not stopping the roach problem because it is costing you money to continue treating and you are losing rent income.

I wrote this out pretty quickly so there may be some details missing / closing costs etc but looking for some feedback on what others have done or would do here.  

Get plans drawn and get estimates from subs to get a total cost price for property.

Check out FilePlace, where user-created forms are available for free.

Know the trends, the costs per project and needs of the buyers there.  

Cutting down timelines to not extend carrying costs Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Feel free to reach out if you have any questions or if there's anything specific you'd like to discuss or learn more about.

If you have the hustle to think about it at 15, meeting other investors will help you get better knowledge and find someone you can help for free and learn.