How do I take my kids to school or bring my groceries around?

You can use cargo bikes.

Resources

Cycling across Europe in the pandemic - BBC World Service - YouTube - BBC World Service

https://www.youtube.com/watch?v=Cukx_BSQ0Ww

At 4:07, she brings her kids around in a cargo bike.

2022 is the year I start getting groceries using this setup, and I just had my first successful run! : fuckcars

https://www.reddit.com/r/fuckcars/comments/rz8cfy/2022_is_the_year_i_start_getting_groceries_using/

There are plenty of ways you can bring your groceries around. This is one of them.

The NYC Cargo Bike Revolution: More Families take to the Streets! - YouTube - Streetfilms

https://www.youtube.com/watch?v=fBK4RSZN1Do

An excellent video on how people get around the city carrying their kids by using cargo bikes. They get to interact with their kids on the bike. Kids have fun on the bike as well.

Cycling with babies and toddlers in The Netherlands [393] - YouTube - BicycleDutch

https://www.youtube.com/watch?v=SfLJ876lXsQ

Check out this video of people carrying their babies on their bicycles.

3 kids, 2 wheels, 1 supermum in Amsterdam - YouTube - kurtigabor

https://youtu.be/FLRrA-rKY-Q

This mum takes her three kids around on a bike.