I guess the risk comes with the incertitude of the period the house is being built.

Buy a sofa and keep the sofa bed to keep the extra-capacity, at the risk of cluttering the living room too much?

That’s a good sign for the job market, even though businesses are still keeping an eye on risks like cybersecurity, geopolitical tensions, and new regulations.Last thing—construction spending.

I would pay off all my commercial real estate and invest the rest in something very low risk.

Roth IRA's are one investment tool but they are not that aggressive, real estate is a lot more aggressive but it also comes with more risk than a Roth.

It's called "risk management".

Here is a detailed list of common exclusions in landlord policies that can pose significant risks to property owners:Toxic Mold & Environmental Contamination – Most policies exclude claims related to mold, asbestos, fentanyl, viruses, bacteria, lead paint, or other environmental hazards.

We did consider/evaluate that option, and have done multiple flips, but at those points have been under contract since New Year's Eve and carrying costs for another 2-3 months without a guaranteed sale is not the risk we want to assume.

Granted, it has its risks and not everything is going to go smooth, but with the right team on the ground you could experience success.With your initial 150k to invest you would be able to source several high cash flowing properties. 

However, interest rate risk is a key factor—if rates rise or lending conditions tighten, refinancing may not be as favorable.