Some mentioned what if Apple puts out bad products, you can always click one key and get all your money back quicker than you can take another sip of coffee. 

Certainly, it DOES make sense to me to pay down the principal quicker if you can, UNTIL you arrive at 20% equity and can request in writing for the PMI to be dropped. 

- What are other financing methods which require smaller down payments and allow me to scale quicker? 

Also, HELOC works as true cash, so you can close properties quicker than most people and giving you a better chance to win an offer.

so the GC's you work with have to be quicker than that, so you have to have had that conversation long before you call asking them to look at a property.however, if the property needs some remodeling (usually due to awkward previous remodels and additions), you need the Design Professional to walk through during your Inspection period. 

In states like OH where the foreclosure process could take 2 years plus, you need to look into the new foreclosure filings as a leading indicator.In my opinion and based on acquiring over 1,000 apartment units, buying/selling houses both as an investor and as a real estate agent, I look into the following:- if DOM is decreasing, REOs are decreasing and rate of new FC filings is unchanged or decreasing, then it's a good market to rehab and flip houses; and depending on the supply of land, it's a good market to build and sell- if DOM is decreasing, REOs are decreasing and rate of new FC filings is increasing, then it's still a good market to rehab and flip houses but NOT a good market to build and sell- if DOM is decreasing and REOs are increasing and rate of new FC filings is increasing, then time to exit from rehab and flip or you can still rehab and flip but look for more equity or do quicker rehabs- if DOM is increasing, REOs are increasing and rate of new FC filings is increasing, then definitely exit from rehab and flip but focus more on buy-and-holdAdmittedly, I've bought buy-and-hold properties in all situations above because there's always a good deal in any market.

Streamlined the rules are VERY different, and it goes much quicker.

Nothing brings buyers in quicker then a good deal.

On the other hand if the start to become trouble, I have a much quicker turn around time to get rid of them.

However, they are always just one thing happening in their life from not being able to pay rent.This property price point also offers a higher rate of growth as you can reinvest quicker.