@Rene Hosman You can read about H.S.A. investing in my new BP book - Self-Directed IRA Investing: A BiggerPockets Guide - www.BiggerPockets.com/SDIRA

The first thing prior to this would be to verify this is a good tenant, check the lease, and confirm with the owner with a payment ledger that they have been paying on time since they have been there. 

But I'm interested in finding out. This

My wife and I have overhauled our personal budget to reflect the 'pay yourself first' approach (allocate in order: income comes in -> invest -> donate -> fixed expenses -> variable expenses -> fun $$).We are looking to see what experienced people generally recommend for a holding tank for that 'invest' allocation while we target our first real estate deal.What financial vehicles have you guys used that works well for this?

@Calvin Rappard I don't think it is feasible to do a new screening every year, and more importantly, I am not sure you have the tools to move someone out if they fail....

Therefore, I want to let the community here know about a residential contractor I would never recommend.Let me start by saying I did my homework...checked him out thoroughly. 

Check out Every Landlord's Legal Guide by NOLO.

I check the SEC, FINRA, ratings websites for inside information on the principals in the company.

This is required for most landlords in the city, as part of the rental property registration program.

I can also share some great resources and guides to get you started.Let me know what specifically you're looking to learn, and we can set up a time to talk.