DTI is crucial for these products even if you can get a higher LTV product if you can't meet the payments all the regulators don't care about your equity position.   

150k would get you a down payment on a nice property.

I may have someone for the down payment, or take out a portion of HELOC as a down payment, as I have quite a bit of equity on my home.I've tried doing the calculations and have come up with (roughly), a property that doesn't cashflow based on my calculations (which could be wrong)Not cashflowing? 

This gives you the upper hand in negotiating payments with the tenant.

. $100K will be a down payment for a $400,000 property give or take.

Building positive relationships with tenants can increase their retention and reduce turnover, promoting consistent rental income.Consider FHA loans with lower down payment requirements if you're starting with limited capital.

You could hire a PM that will cost about 30% of gross income.Also there are people that thought it would be great to get into a STR and found out it is very competitive in many markets and they were having to make up the mortgage payments. 

They only asked us for a good faith payment of $7,500 and it sounds like they are covering the rest.

I am in the process of exploring financing options for my first deal and I came across the idea of government down payment assistance grants.From what I read, these grants can be used to cover the down payment on a low money down loan such as FHA loan, which I was planning to utilize anyway since I will be an owner-occupant.Has anyone used this in the past?

If you send money to the holding company, now its some sort of payment, allegedly "embezzelment?