Don't buy plastic pots, use a soil blocker.
Simple garden tool for raising your seedlings. Seedlinds are healthier, grow quicker and are easier to transplant using a soil blocker.
The mini 5 Soil Blocker makes a 5 x 1 1/2" soil blocks with a shallow depression and is used for sewing larger seeds such as Water Melon, Edamame, Rock Melon, Squash and Pumpkin. Also great for salad greens.
The Mini 5 comes with 5 seed pins.