Looking to give but do not have the extra money for charity? Why not give blood?!

For the USA: https://www.redcrossblood.org/give.html/find-drive
Canada: https://www.blood.ca/en
Europe: https://europeanbloodalliance.eu/
Australia: https://www.donateblood.com.au/
New Zealand: https://www.nzblood.co.nz/give-blood/