I would avoid any tool that charges 1% of booking revenue as payment.

With $100K in cash, you could leverage this option to make a larger down payment and keep monthly costs manageable.Maximize Rental Income:Are there ways to increase rents on your current properties?

You could get most of your down payment back, or be able to pay off investors quickly.  

The wrong tenant can lead to non-payment, evictions, and property damage.

The current owner listed last years income as $51,000, but currently has rents at (for the five separate units): $650, $750, $800, $825, $1125 (the math doesn't totally add up so maybe he changed a rent payment at some point). 

Consider all the things that could go wrong and see if the lease addresses them: unauthorized pets or tenants, early termination, security deposit, lease violations, late rent, eviction, lawn maintenance, parking, etc.5.

Get the siblings on board to take payments for 15 years at 6% interest.

Even if it does, there's closing costs to consider.As I said, I have no cash myself, so I'm asking how I can deal with generating cash for closing costs (and a down payment) if it comes to it.The house costs $139000.

They have a balloon payment for the principal due in 10 years.

I weigh more on making 3x rent and having great rental history of on time payments with no evictions, no lease violations or violent criminal history.