Seedlings are vulnerable to fungal pathogens, so airflow is important. Drainage holes Make sure your pots drain well to protect your plants against fungal pathogens and root rot. Conversely, a seed that is produced in high numbers but has a relatively low demand from the buying market will have a lower price. Source: https://www.theotaku.com/worlds/plinko/view/352535/discreet_and_secure_shipping_options/