Lubbock has a low barrier to entry and has several backup economic drivers by being the primary hub (agriculture, financial, healthcare, material goods, transportation, entertainment) for an area the size of most states east of the Mississippi.

Make sense about spreading costs out more, and building bigger since you'll always have the costs of the foundation, roof, etc regardless of the size. 

I do not have a sheet but I typically budget $150 for lawn, $150 for pool if applicable, $100 for cable, $100 for water, $300 a month for electric (depending on property size and your local utility costs), $50 for pest control, and another $200 per month in misc. 

They handle:Monthly Payment ProcessingEscrow for Taxes and Insurance: They ensure property taxes and insurance are paid, which is essential to protect your interest in the property.Record Keeping: They also maintain records, which can be invaluable if any issues arise during the term of the loan.ConclusionGiven the details of your property and the $200,000 sales price, a possible scenario could look like this:Down Payment: 10% ($20,000)Loan Amount: $180,000Interest Rate: 8%Amortization: 30 yearsMonthly Payment: Approximately $1,320 (principal and interest)Balloon Payment: Due in 5 or 7 years (this allows for refinancing or payoff while giving you some flexibility).These terms are flexible and can be adjusted based on the buyer’s credit, down payment size, and negotiation.

I want to provide access through the common wall of the two units of a duplex. nothing fancy, sort of a "doorway" without a door, same size of a door.

-Depending on the size of the deal, I may be able to set you up with the deal/loan-even if you do not have experience.

Depending on what you find available and how many possessions you have but it’s likely possible to find a decent sized duplex to purchase.

I also believe that your Lot area has to be a minimum size in order for it to be considered "by right"I remember that some of the reasons why I didn't convert duplex to triplex:1.

New Mexico has an unfortunate law against prepayment penalties for DSCR Loans on 2-4 unit multi that requires higher rates, but they don't apply to 5+ and I've seen some people have success with that size range in NM

With more and more institutional investing jumping onboard, the halving, and now you can buy Bitcoin with Paypal or the Cash App or Robinhood is making it even easier for people to jump in with any size investment.