The question is simplify or diversify?

But I would like anything that would simplify my process.

If you have an idea of what the acquisition price and rehab budget might look like, happy to give you a breakdown of the simplified math. 

The math is super simplified, so please don’t hang me for that!

I guess when trying to simplify it one could say that the logical deduction from the often voiced mantra "use other's people money" is "hell, even more so use your own money where available!

There are many loan programs for investors, so finding the right one before you are making offers can simplify the loan process.

It simplifies your life if tenants are paying through the website too because it’s all direct deposit directly into your account.

@Mordchai Lunger I will simplify the concept for you even more:Don't think of finding and buying a property "with" an investor/ mentor.Think in terms of finding a propert "for" an investor/mentor.You risk time and legwork.

You can guess that this is horribly simplified from a four hour class.

And even then, if you want to use this type of business accounting software, Wave is perfectly adequate for everything you need to do for rental property accounting, and it's free (for what you need for rentals).For most rental property owners, you can use personal finance software (Simplifi, Quicken, etc.), or you can use rental-specific software (Stessa, Rental Hero, etc.).