Basically, it just depends on the comps in the area and the property values in that area.

It simply depends on your time frame, when you want to actually begin renting the property out short term, and what the loan terms are.

It sounds like you are just talking accounting, not title work.A lot probably depends on how you have your banking set up.

Next, and again my current experience is in a different industry but one that's a highly dependent on Google reviews and ratings, I've found that there's always a break-even point where "paying someone off" doesn't provide enough of a return on the payoff. 

Depends on the person, but as a professional real estate investor it would be a no brainer for me.

When a seller lists their property, they often agree to compensate the buyer's agent separately, though the exact terms depend on the offer made.

@Mohit Gupta  depending on number of occupants your regular insurance can cover it, read the policy, ours covers two roomers. 

Some carriers require limited water damage coverage depending on the age of the property and age of utilities.I would recommend at least 25% (ideally more) when possible and if you're limited to 10% you should make sure you cannot purchase another policy for a similar price.

If the latter, depending on the jurisdiction, YOU may need to be a licensed real estate agent/broker to engage in what’s commonly called “wholesaling” but is actually “flipping”. 

Now though, HELOC rates are significantly higher and depending on what your primary mortgage is at it could be substantial.