Current owner has apparently added more clean-outs for the sewer (~3 years ago) and states that when he bought the property in 2014 he put about $5k into water lines to take care of several leaks.

Is there any fast method that would allow the daughter to sell the house to avoid foreclosure?

I have found templates for our lease agreement, pet addendum and a move out cleaning addendum. 

Additionally, If anyone knows of other methods to get into investing without tons of cash on hand please feel free to comment and share your knowledge, information and experiences.

I have been reading and researching as much as I can about the BRRRR method and have been working some figures on some possible properties.

I already own two homes that are my personal residences, and my DTI most likely wouldn't sustain another house WITHOUT the lender offsetting the debt with the rents to some degree - is there any other method of providing lenders with rent history that you have used?

Kathryn -  obtaining a loan through a lender  will normally require  2 years of  history of  consistent  positive income …...so if the plan is to use this  method of  financing  - keeping  the job is beneficial …..if you plan to use the more creative methods of  financing deals - then this issue isn't quite as important  the other lender issue to be aware of is that many lenders  have a limit on the  #s of properties  with financing an applicant  has in their name …...some cap at  7  ...some cap at  10 ...some may not any cap

He has some creative methods.

Commercial properties are valued using Cap Rate and income methods.  

The BRRR method that BP promotes is a great one, and is almost the only way to make a grade A neighborhood home cashflow.