Hi there,
Good luck, we followed a similar approach here and a lot of inspiration came from our babies, too! They can make one do incredible things! Like reading books until 2:30 am or working 14 hour days while rehabbing a unit.
We researched for two years. We had liquidity "issues" - too much cash on hand. After realizing that replacing a great W2 job with another (lower paying ) job (REI) wouldn't work, we switched to use RE to pay for part of mortgage and future college tuition for our kids. Be flexible with your goals.
First year foundations. Taxes (NOLO, Landlords), very simple RE calculations by Frank Ganelli (it's called a dumb man and women investing for a reason), 100+ podcasts (I stopped after Josh left, they are all the same), tenant management, negotiation, etc. We do our own taxes, not to save $400, but to get them done right. Ok, I like to save the $400, too!
Second year, market research. That's the hard one, keep in mind you will have this for 20 / 30 years. You want them near by, in good condition, and within your risk tolerance. We made it at the tail end before the property cost skyrocketed in our selected area.
A few notes,
Your partner must be 100% on this idea.
Index funds are just as fine. RE requires less money at the expense of time and a very steep learning curve in phase two, market research.
Personal finance education is a must before even looking at RE as a complement
BP is a fantastic site, it has a solid base. However, you need to be careful. You will find hype, unrealistic expectations, and half-cooked advice (sure, like mine).
The BP books are so so, not great. The books are a condensed version of the forums, if that works for you, great. Look for other sources. Stay away from RDPD nonsense.
"No one has ever gotten rich by cash flow". The real money is as a developer - or by selling private data, advertising, and many books through a blog website. The risk of being left holding the bag after a market crash is much larger, too.
Currently, our rental market makes no sense, I am not even looking for rental properties to buy. Well, maybe when I'm bored.
Many times I heard the $100 a door profit target on the podcasts. I won't get out of bed for $100 a door like they advertise.
Most of our money is in broadly diversified low cost index funds with low expense ratios.
I'm back to high savings APY accounts at 3% (HM Bradley) and index funds.
I wish the absolute best to you and your family during this journey! May good fortune find you working hard!