This option would require assembling a local team as I'm considering forgoing a property manager.D) Invest in a Better Maryland Area: The goal would be to find a property with higher appreciation potential, though I'm aware that the cash flow might not match what I'm currently achieving.Given the unique circumstances of my current investment—significant appreciation, a specific tenant base, and a low mortgage rate—I'm weighing these options carefully.

And best of all, because of this reason, I’ve never had an issue with collecting rents or vacancies thanks to the location.It really comes down to the location, the team you assemble and your research. 

The "sweat equity" will come from me finding fix and flip deals and working with a team I've assembled (agents, attorney, contractors, insurance agents, etc.) to closing deals.

Bikes from a bike shop will be more expensive but they will be assembled correctly and will have fewer issues.  

I figured I would add another $5k in costs to transport the home to the end customer and assemble it onsite.

I would suggest you consider how easily you'll be able to assemble a team to work in whichever city you choose.

However, advancements in manufactured home design have significantly improved their quality and aesthetic appeal.Modular homes are constructed in sections at a factory and then assembled on-site.

I figured I would add another $5k in costs to transport the home to the end customer and assemble it onsite.

Simultaneously, I'd focus on the fundamentals, engaging in daily learning, analyzing deals, and gradually assembling a team of general contractors, agents, lenders, attending investor meetups, and more

Logically, I agree, but this is my debut deal, my inaugural offer, and much like your first attempt at assembling IKEA furniture, it's tough to abandon!