Well that depends on how much money you have in materials.
Calculate how much it cost you to make one tee then add a percentage as profit. If one tee cost you three dollars, for example, you sell for six dollars. If one tee cost you five dollars sell it for ten.
Red meats
Dark leafy greens
Liver
Nuts
Beans/lentils
Tofu/soybeans
Clams/mussels/oysters
Chickpeas
Sesame seedsPumpkin seeds