That would mean paying a marginal tax rate of 100%. The maximum marginal tax in germany is 45%, if you make more than €277000 per year.

But you don’t get paid the “Pendlerpauschale”. You can only deduct it from your taxes.

You can look for ESD heel & shoe straps. They are relatively cheap and help you discharge while walking around or buy shoes that are ESD rated in the first place.

But with a million bucks you wouldn’t really be bound by location anymore. You could just retire somwhere that is cheaper and without the need to work most of your waking time you aren’t even really limited by language as you have plenty of time to learn a new language.

Scooters are much cheaper than e-bikes. You can probably get two e-scooters for the price of an e-bike. They are probably closer to regular bikes in price. But regular rental bikes are less attractive to people with low fitness levels. Especially when they have airless tires.