Good responses here. To summerize:
1. Get a tender that is AGM compatible.
2. Hook up under the hood. You can hook up to the battery but to be safe follow the manual.
3. One week, or even less if you want, of not driving is a more than safe amount of time to hook it up before shit were to...
I can actually understand the taxes because everyone should pay for the “upkeep” (term used lightly) of the infrastructure. Petrol cars have a gas tax, electric cars should have a tax to compensate. However, the implementation and regulation of the taxes are a whole ‘nother kettle of fish.