Does that fit your personal criteria for a return you'd like to get on your investment? 

Bank related issues can be prosecuted for 10 years.

Banks and attorneys use it for skiptracing so, it would probably be good for you too.

Most banks won't want to come in with a line of credit that is second lien on the property.

Since bathrooms are relatively small, using some unique tiles and fixtures won’t break the bank and will go a long way with buyers.3.

Meanwhile, bank money market paying 7.5%. 

Would banks typically provide a HELOC on an investment property, and if so, what terms should I expect?

The one who thinks that they are masters of the universe in EVERY area of life, has 30 different businesses, claims to be fit as a fiddle, with a life in perfect harmony, shows off huge toys, has 30 different businesses, including selling their time by the hour to provide coaching... this person is not running a real estate syndication business.

When you draw from the equity, you are "borrowing" it from the bank and have to pay interest.If you borrow against the equity at 7% interest and then loan it out at 15% interest, you are earning a positive 8%. 

The best banks that I have found based on your main concerns are smaller, regional, community sized banks.