Jim W.
Yelp
If you are planning to visit here, you should absolutely book tickets online ahead of time. They sell tickets up to ~ 2 months in advance, I think. I got our tickets on the first day they were available. I booked a 9:30 a.m. self-guided tours, but was only informed afterwards that they recommend you arrivie 30 minutes prior to your time. So you should keep that in mind. We were staying in Charlottesville, so it was only a 20-minute drive from our hotel to the site.
After driving up the mountain, you arrive at a visitors' complex. Here they have a gift shop, ticket booths, a small museum, etc. This is also where you board a shuttle bus for a very short ride the rest of the way up to the house. The shuttles leave frequently, as the drive is literally just 2 - 3 minutes. When we visited, they still had a wear-masks-indoors policy.
Once you get off the bus, you are assembled in small groups and sent along to the front door. There you get a short talk from one of the staff and you are ushered inside. The basic self-guided tour was good. You basically make a circuit of the rooms on the main floor. They have a phone-app / website that does a good job of explaining things in context as you progress, if you take the time to read it. It was interesting to see how things were arranged and what constituted 'high tech' circa 1800. They also offer less-frequent and more expensive in-depth tours where you have a guide and go upstairs, etc. I might consider that if I ever go back.
When you exit the house, you can still visit the carriage building nearby and walk through the basement level, which had storage rooms and workshops. There is also a set of other rooms still on the basement level but open on one side; these were additional workshops. They have one area dedicated to Sally Hemmings, which was also interesting to read.
Outside around the back lawn, there are flower gardens. They had periodic guided walks here as well. Also adjacent to this area, they had an actor dressed as Jefferson doing a living history talk about 4 times a day. This area is popular for photos, as it is the view used for the back of the nickel.
There is also a road/path a bit below the home which was where other shops and slave quarters were located. Some have been restored. My impression was that it was the equivalent of a small village at the time. Below this is a long linear string of vegetable garden plots. These have been restored and they grow period-appropriate vegetables there again.
To end your tour, you can re-board a shuttle or you can walk the ~ 1/2-mile trail back down to the visitor's complex. I'd recommend the walk, as it passes the family cemetery where Jefferson is buried. It is gated, so you can only see it from about 10 feet away through the bars.
We had lunch at the cafe on site after the hike down. The food was good, and they had a decent selection of sandwiches, quiche, salads, and soup.
We finished our tour with a stroll through the museum, which shows additional details about construction as well as other topics. There is also a 10-minute film which we watched. Our visit was on the order of 3 hours, but you could easily spend 4 - 5 here. Budget at least half a day for this site. Recommended.