You can learn to do some things yourself...but make sure you have someone who has experience, who you can trust, in either your geographic area or the skill set, that you need to develop, to give their opinion. 

The book talks a lot about what your long-term goals are, and also sets a framework for writing out your long-term goals, then helps you align what strategies in real estate investing might fit best into your life given what resources you have in terms of time, money, and skill.

Hi Prasit,To transition from agent to acquisition manager, here’s the quick path:Leverage Your Agent Skills: Use your market knowledge, negotiation experience, and connections to find and analyze deals—key acquisition manager skills.Wholesaling Experience (Optional): Wholesaling can help build your deal-finding and analysis skills, but it’s not necessary if you can transition directly using your agent background.Training: Consider certifications like CCIM for commercial real estate or courses on platforms like BiggerPockets to sharpen your acquisition expertise.Network: Connect with investors or real estate firms to gain insights and potential job opportunities in acquisitions.Let me know if you need help with financing as you move forward!

The main reason is labor, and the cost to live around this area is not cheap, so skilled labor demands high wages and benefits. 

I suggest you look into commercial lending, to learn about it before you require it, and start looking for people in the lending space who can assist you as you move forward and with whom you can develop relationships.You now have mad skills and experience doing the whole demo and rebuild, and if you can repeat a few times, your one deal enables you to add a couple others.  

Evaluate the business, financial, analytical, and “people” skills you bring to the game.  

With Nomad, you're paying a lot of extra money for a guarantee that is not necessary with skilled and experienced property management combined with masterful recommendations for property condition; i.e. what a property needs in order to be rent-ready to the degree that qualified candidates will be attracted to rent the property. 

Since you’ve already gained experience with partnerships and deal structuring, those skills will serve you well in any path you choose.

I'm currently reading The Book on Rental Property Investing and honing my lead analysis skills.

Plumbing is a different story and will vary with the plumbing set up and your skill level.