These factors will help you determine which option best fits your needs and circumstances.

When talking to sellers, it's important to make sure your method fits their needs.

It's there property, they get to say and enact all kinds of LEGAL ways they feel fit for selling. 

This is one of those situation where the HELOC on your primary residence would be easier to get, especially while you have excellent credit scores. 

One emergency service call later the leak is now slowed significantly but I’ve got to get another heating guy out to shut down the system and drain it so the pipe fitting can be replaced and then start it up again.

Excel should work.

They typically have a free two week trial, I would test drive a couple and see which one fits the best for you.  

I particularly purchased SF that has 3 building and I can fit in 10-15 cars inside. 

Excellent house hack!

The agent that fits those boxes may not be the one you purchased it from but it also might be!