One of the biggest mistakes I see investors making is they forget to address things like HVAC, siding, etc when they have access to a hard money loan.

Conventional 30 year loan.

There is a local loan program, I believe it is called the MCT loan. 

Business loans typically won't let you purchase a property if you read the fine print.

You can purchase this with a low-money-down FHA loan. 

Converting properties to multi-family is considered extensive rehab and those programs are a little more exclusive than the standard bridge loan programs. 

Loan officers with 25 years of experience typically are more experienced, and have less time per file, because they have an abundance of files.Loan officers with 25 months of experience typically are less experienced, but have more time to devote to you.I can't write my own loans, so when I'm getting a loan I prefer working with less busy people when I'm doing my own real estate investment, they're more responsive and dedicated it feels like.

I have purchased the following books:ABCs of Buying Rental Property The ABCs of Property Management The ABCs of Real Estate Investing The Advanced Guide to Real Estate InvestingThe Book on Investing in Real Estate with No (and Low) Money DownWhat order do you recommend reading them in?

In our commercial loans we still had 1 to 2 years on our 5 year balloon periods.  

Quote from @Beth Johnson: We pass all loan servicing charges through to the borrower including set-up fee, monthly fees, and any servicing charges such as payoff demand generation, and loan close out fees.