tldr: it cheap to make you own prints, google it and go for it!
Imho:
Make your own graphic designs on your computer
Look for nice organic and/or fair produced Shirts (a small quantity should be enough to start with, dont you think?)
Than buy yourself a diy Kit für Printing Shirts
Imho:
Make your own graphic designs on your computer Look for nice organic and/or fair produced Shirts (a small quantity should be enough to start with, dont you think?) Than buy yourself a diy Kit für Printing Shirts
here is a link to amazon germany (sorry...): https://www.amazon.de/Siebdruck-Set-DIN-A4-selber/dp/B00OV0T...
where you can Print your own Shirts. Just make yourself familiar with screen printing and do it yourself. I think thats cool. :-)