Would like some feedback on options from people in the know on Hawaii (or Miami). 

Helocs must also be calculated in underwriting based on fully exhausted payment meaning even if you only use a portion during the next purchase they underwriter will hit you with the full payment for risk.Cash out on the other hand is a liquid reserve tax free and it only requires (1) mortgage/lien.

Look into areas where lots of people want to rent, with good schools and low crime.

People flipping homes instantly got crushed and many people doing BRRRRs ended up under water both in equity and monthly payments as rates went up.

Check your state for conveyance tax rules - In theory you could get hit with a conveyance tax, but I think most states would not levy conveyance tax in this situation. 

However, there are many factors to consider, and I want to ensure that the right people are involved at the right time.The renovations are nearly complete, and I am already collaborating with a condo conversion lawyer to draft the condo filing documents.

Is there a city that people do section 8 in that has houses for 100k close to turn key and also are high enough rents to match the voucher and take full advantage of that amount?

I would definitely hit local meetups to meet local investors to start to learn the dynamics of Houston because it is so huge overall.

It needs to qualify on DSCR and I would make sure the 80% still hits your cash on cash goal. 

Prior going to the conference my fear was that most of the people going to the conference was in the single family homes and we wouldn't be as much of value to each other.