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Any major housing crash will probably affect your ability to purchase a home. The real solution is laws limiting property investment combined with building new, dense housing in areas that already have services.

I don’t know your particular ebike, but generally the most popular trailers will attach to any bike. Trailers are great, except for parking up.

EVtopia just sounds like an electric car website to me

There is an EXCELLENT physics text book freely available that focuses on the physics of energy sources: https://escholarship.org/uc/item/9js5291m

It’s by Tom Murphy of “Do the Math” fame. Basically, unlimited perpetual growth runs afoul of basic physical limitations in shockingly short timeframes.