If you don't have a tax accountant, I recommend that you find an accountant that specializes in real estate taxation and business taxation. 

What an interesting post.

Talk to your neighbors, get them on board for your project as the first step. 

However as Texas only allows a HELOC on your Primary Residence, I don’t want to lose this facility if I move to a new place (and I want to comply with the rules!).

Quote from @Michael Zimeri: Hi Marise,This is Michael from Coldwell Banker UAE.I have been in the BiggerPockets community for a few weeks now and from what I have seen is that this community and tools are mostly oriented towards the US market.Regarding analysis for Dubai, I would more than gladly guide you through the Dubai market if you wish!

If you don't have a virtual assistant yet, I'd recommend getting one to help with things like tenant communications and coordinating contractors.

I was able to see those for you here https://www.biggerpockets.com/analysis/rentals If you can't see those feel free to email [email protected] with your browser and a bit more information about where you are seeing the issue

You'll also pay about 1% higher interest on an investment HELOC. 

From an investors prospective there are few opportunities.

I buy blend and extends for cash nationally where I can extend the lease or backfill.I buy at 10 cap rate or higher.