If I was going to start mailing out more I think I would create individual letters to each person and would never use a "mailer template".

Individual banks/lenders may also have overlays, so even though Fannie/Freddie doesn't have a minimum, that specific bank/lender might.

The mentorship program is solid, but success as a real estate agent is ultimately up to the individual and their work ethic.

There are HELOCs for investment properties, but they typically require that the property is titled to an individual and not an entity which is problematic for many investors.

Quickbooks Desktop and Easybuild might help you.

Hey Marco, What is the current zoning of the individual unit?

When you are first starting out, I would recommend getting a quote for every individual task.

I am seeking a partner to collaborate with on completing a property flip in the Riverside or Orange County area.I am specifically interested in working with an individual who has experience with more than 10 successful property flips.Kindly inform me as I am prepared to initiate the process.

Generally speaking it's not regulated because it's an agreement between two private individuals. 

The problem is that each individual is different in terms of how comfortable they feel with leverage.