No Oil changes (Likely will need to replace tires more often though, so it's a wash) and as cheap as yall are saying Gas is, electricity is much cheaper, especially if you can charge at home off-peak. Really depends what state you are in to determine how much gas savings you would have though. On average you will probably save like $1k/yr just in gas savings. The federal incentive is gone for Tesla, but there are still State incentives you could receive:
Several states and local utilities offer electric vehicle and solar incentives for customers, often taking the form of a rebate. Rebates can be claimed after purchase, while tax credits are claimed when filing income taxes.
www.tesla.com
As far as the vehicle, the build quality issues (panel gaps and major paint issues) are absolutely there that you wouldn't find on a Toyota. The question is how much does that matter to you. Seats are comfortable, the screen is better than competitors, it's got great performance for the price. Most of the stuff under the skin is excellent. Leader in Batteries, Electric motors, easily the best car manufacturer when it comes to software - theres a reason the competitors NEED Android Auto/Carplay. AP is also better than most competitors Driver assistance package. This expert just did a complete youtube teardown (it's a playlist with like 5-10min videos) of the Model Y if you're interested in the actual details of the 3/Y: