(I recommend removing 1 kg just for the experience, it's $1)
In terms of buying the hardware yourself, the low end is still tens of thousands of dollars. If you happen to own a farm, a pyrolysis machine can turn your farm waste into solid carbon that's locked up for hundreds of years. And people will pay you to do it too.
You can pay to suck carbon dioxide from the sky. Here's one example using this vacuum machine by Sirona: https://www.sirona.tech/remove-co2#Individuals
(I recommend removing 1 kg just for the experience, it's $1)
In terms of buying the hardware yourself, the low end is still tens of thousands of dollars. If you happen to own a farm, a pyrolysis machine can turn your farm waste into solid carbon that's locked up for hundreds of years. And people will pay you to do it too.
If you like investing, you can invest in these companies: https://airminers.com/invest