She has chosen her sister as an assisted caretaker but I don't think she is around very often. 

The previous deals were single family homes and came from my single family home agent in DFW who is also my sister.

(With low holding costs, as me and my sister own the property free and clear.)

Answers below:Background: My sister and I inherited this home from our Grandmother who used it as a rental property.

My realtor presented that informaly to the listing agent, and the agent was "suggesting" that we should go ahead and submit it in contract as the sellers are "eager" to cash out their investment properties (the sellers are a brother and sister who inherited this property and others in September last year when their mom died).  

but we've been here, sharing the house with my sister and her husband, for 18 years.

It's like dating your ex's sister.

so here's the story. my team and i are new (real new) to all of this. we are looking for mentors that we can learn from. when my sister first approached me with this idea i thought she was drinking again. but no. she is looking ahead and knows we must work together to be successful. three of us work full time, one inherited cash. credit for two of us is good, the other two-not so much. we heard about hard money lender and it sounds appealing because i didn't want to take out my 401k because if this deals go sour, i  will be in trouble. yes i will have my retirement (govern.civil service ). also, there are three adults crammed into a 2 bedroom 1 bath house and i want to buy a house. i am a veteran and never used my va loan benefit. question now is, should i buy a house with VA, wait a bit, use the equity to buy a rental?

Bought it from a brother / sister team that inherited it and were not very proactive property managers.  

My mother started a real estate investment firm, and my sister and I are partners.Though we just started our company, we've been blessed with wholesale as well as flip deals.