I am also investing in stocks, forex, and crypto and hope to use profits to invest in RE in the near future.

Our properties are 1.5 hours from where I live, and I'm trying to create a streamline business that has the ability to scale. 

The newcomer must "survive":Streamline the search for motivated sellersSearch for investor-buyers and add them to the mailing listSecondary task.

If you self manage, what have you implemented recently to streamline your operations to make it more passive?

They are also concerned that crypto is a tax evasion vehicle. 

Slightly riskier depending on your budget but it's much more streamlined and you could earn some awesome points!

They know the market and has everything already streamlined. 

This site is great if you are looking to invest into real estate, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, crypto, or tax and legal guidance.

.#4 Compile Your Prices into a Spreadsheet or Estimating SoftwareOnce you start to get a better understanding of Labor and Material costs you will want to store this data into a spreadsheet or software that you can use to help you streamline the estimating process.The Book on Estimating Rehab Costs comes with a spreadsheet that you can use to help you populate your own database of labor pricing and material pricing.

@Jose A Perez @Jeffrey Donis pointed you to an online article about to learn more about the 203k, which does point out some of the benefits of the 203k, but that online article also contains a lot of errors or misinformation about the 203k, such as ....There is NO "regular" or "streamline" or "modified" version of the 203k.