There are also numerous transportation construction projects planned and under construction linking Nashville to Clarksville to alleviate traffic as Clarksville is one of the fastest growing cities in the country.

I have never heard of a benefit to having a credit score over 740, and credit pulls temporarily drop your credit by just a couple points, so you should be fine. 

In addition to the cash flow, you'd also be getting tax benefits and appreciation and equity build via mortgage paydowns, so you'd ultimately be making more than $350k (presumably).

Numerous properties have been catchIng my eye lately that either have pools or waterfront.

If you own a property through an LLC, you won't be able to receive any tax benefits for owning a primary residence (mortgage interest rate).

As an added benefit—as you tour deals you are building relationships with the brokers and building that trust that gets them to recommend you as a buyer to their sellers.If touring the properties is too much workload or travel for you, get a partner and make that their role; while your role is sourcing deals, underwriting financials, and making offers.

I've done this numerous times in the past for conventional lending. 

Having someone pay down my debt, have tax incentives, and also have potential appreciation are all a great benefit of buy and hold properties.

By investing directly into another building, I would receive rents, principal paydown, appreciation, and tax benefits. 

I recently read someplace that it is more beneficial to register my LLC in Nevada although I do business in Texas. Just wanted some opinions on this.