She did so and left a note with the person who showed her the house. 

If they don't respond, give them a 30-day notice of termination and find a tenant that's more responsive.

You will quickly find, as you generate local person-to-person relationships, how many opportunities open up! 

The first is having a personal portfolio of 5 passive rental properties, not including my residence.

I was sent an offering memo by a broker selling a multi-family building in an area no reasonable person would even consider affordable housing material yet the marketing materials made a point of emphasis to detail how the property would satisfy the need for affordable housing.

I do not personally originate loans.

It sounds like a single family house where you will be living in the house(personal use).Therefore, you may not be getting the tax benefits you think you are.Consult an accountant.I am not sure why your sister would agree to this as well, she is losing $170,000 in this transaction and she faces the possibility of you increasing her rent.You also have to charge market rent or close to market rent or it is all deemed personal use.

Apparently I quoted your response but my intentions was to reply.

Personal guarantees are EXTREMELY common.

Just go ask Shaquille O'Neal.Simply because one person can't doesn't mean others can't.