Benefits for my sister:- She gets into home ownership without any cash up front because I paid all the money down.- She starts building equity on her unit rather than renting. 

I include non-paying tenants as part of the vacancy risk included in calculations I make prior to purchasing a rental to ensure it will cash flow.

Purchase price: $195,000 Cash invested: $65,000 Sale price: $345,000 Contributors: Peter Vekselman Partner Driven, in collaboration with Seth Choate, successfully completed a fix-and-flip on Juniper Dr, Angels Camp, CA.

Purchase price: $162,500 Cash invested: $30,000 Sale price: $245,000 Contributors: Peter Vekselman Partner Driven, in collaboration with Graham Lyster, successfully completed a fix-and-flip on N Cox St, Kingman, AZ 86401.

Your cash on cash return does not compound.

The other issue aside from the giant hassle is now that the payment is higher I'm less likely to cash flow and will be at slightly  higher risk of default.

Purchase price: $90,000 Cash invested: $36,000 Value add purchased from a wholesaler that we renovated and turned into an Airbnb.

I also use the BIGGERPOCKETS calculators to keep track of things like ROI and cash flow projections and update the data there on my buildings frequently.

Lots and lots of cash looking for deals. 

They are wondering if they should purchase two rental properties with $150K down each so will cash flow, or purchase one higher priced rental and put the entire $300K down.