I also enjoy their podcast and the free resources they put out.No experience with the other.

Every tenant has the right to "quiet enjoyment".

I enjoy speaking Spanish and salsa dancing and it is a great location for this.2.

I would never buy commercial at such a cap rate unless I was doing a 1031. 

Here are the numbers for the City of Austin and the greater Austin metro area:A 30-year fixed rate mortgage is still sitting around 7% interest:For some broader context, here’s a chart for 30-year fixed mortgage rates over the past 5 years:What if I’m a buyer?

Unless the loan is a much better rate than the HELOC, which it probably won't be, then keep the HELOC and don't pay the origination fee on a second mortgage.

Our area has a good selection of hard money lenders, and every now and then, you might find an owner willing to carry the loan, often at attractive rates.

Yea they would keep that in place and you'd get a second position mortgage for the rest at, well, higher than todays rates.

Usually, a Sub-To deal has a better rate than the market rate and so does seller financing.

If you are shopping based on rates and fees, these answers should provide you the detail needed to make an informed decision.