We have lived in the county around Gatlinburg, Pigeon Forge, and Sevierville for about five years now and love the area. We spent the five years before that vacationing down here five or six weeks a year to make sure that we would like it before making the leap. The people in East TN are really kind and helpful neighbors.
The area is a tourist area so you have all kinds of entertainment available from the GSMNP to festivals, crafts, musical shows, car shows, minor league baseball, shopping, restaurants, etc. Most of the venues offer "Sevier County Days" with free or reduced admissions, i.e. the Aquarium is free to residents this week.
The traffic is always a topic of discussion but once you have been here a while you know your way around and it doesn't impact you as much. They have made some significant road changes in the last couple of years to ease the flow. The only real problem you have during tourist season is if you are forced to use the Parkway between I-40 and Gatlinburg and I can avoid that most of the time.
Land prices can be high around the cities but ease as you move away. You can expect to pay around $7,000 to $10,000 per acre for "mountain" acerage and higher for flat land in the county or areas very close to the park. Much higher in Wears Valley or other nearby high demand locations. There are land auctions about every week where you can get in on the ground floor.....
This link
Gatlinburg real estate information - Search the entire listing database will give you access to all MLS listings in the area. FYI, I am NOT a real estate agent.
Property taxes are very low although sales taxes are high, 9.75%. NO income tax. The sales tax provides the income to the local govenments to keep other costs low. For instance, raw land in Sevier County assessed at $36,000 would have property tax around $120 per year.
You spoke of Cosby in one of your earlier posts-- Great land out there and more reasonably priced. The only drawback would be distance from everything.
There are excellent medical facilities in Sevierville and UT Medical Center is close by.
There is plenty of work available in the lawn care businesses but I don't really know how competitive it is.
Hope this helps. If you would like more info or have questions drop me a PM.