I liked Long Distance Investing by David Greene.. since that is my strategy.

@Mark Berge - If you have 4 or less financed properties, then you are eligible for Freddie Mac's choicerenovation product.

In David Greene's BRRRR book, he suggested that it is better to wait and save up for a BRRRR as opposed to the speedier route and just doing a conventional loan on a SFH.Would you guys advise on saving up 100k on a BRRRR with a chance to repeat and get the reps of REI much more frequently, or use 50k on a SFH because it's less complicated and can be a good intro into REI?

There are some pretty nice discounts on many products and services offered as Perks to BP members that you might want to check out: https://www.biggerpockets.com/perks/proIf you haven’t been to it already, the Bigger Pockets blog features links to their fantastic podcast and many great articles: https://www.biggerpockets.com/renewsblog/

One awesome method is called the BRRRR method, which you can read way more about all over this site or in the book by David Greene.

But profits sure didn’t, as the typical home flip around the country netted the smallest return on investment in a decade,” said Todd Teta, chief product officer at Attom.

Jordan E Smith, as frightening as variable rates may seem on the surface there is much to consider when looking at the product. 

If you are on house Zero, the thought of jumping to a 20 unit apartment should terrify you... just because you are so green.  

Also, look into Green Bonds or Green loans if you are adding EV charging or solar etc. as Banks like to access that source of money if you're modernizing a building to be Energy efficient or leed compliant.

Portfolio Loans (or maybe another product) - talk to local credit unions, typically only for commercial or multiple SFR/small MF packagesI suppose you could also go the land contract route but I don't know enough about these to provide advice on the matter.