Trying to decide what niche/strategy is the best for me starting out.

Different buyers have different criteria, you'd lose a lot of deals that could have been sold using that strategy. 

It would be a good project for a custom builder, but I would think that the guys who are building big expensive houses would probably just want to buy the lot outright to keep more of the profit (understandably so). 

For those following a STR rental arbitrage airbnb strategy (or homeaway or vrbo), in which you're airbnb-ing places that you've rented from someone else (with the owner's / landlord's permission, of course): do you report the income on Schedule C or Schedule E when filing your taxes?

At least that's my current personal opinion/strategy. - John

Now I'm studying CRE finance, investment, and tax strategies aside from my full-time job to better equip myself with the essential financial literacy. 

Determine the type of customers you want though. 

@Lucy YenA calculated strategy to creating wealth and cash flow is required in real estate investing.

Again, it's crucial to consult with a financial advisor or tax professional to understand the specific rules and implications of withdrawing funds from a Roth IRA, especially within the context of a SDIRA and any conversions involved.In summary, while the strategy of using a SDIRA to lend funds for real estate investments can offer potential tax advantages, it's essential to fully understand the tax implications, including the taxation of earnings and any restrictions on withdrawing funds, before proceeding.

I'm in construction and I'm looking to invest what money I have into distressed properties in the southern towns and cities of Connecticut, and also maybe Hartford and waterbury as well, utilizing the BRRRR strategy.