Yup. It took me 5 years to plant 60¢ worth of okra. I can buy a pound of mustard or turnip seed, which is about half of a brown paper lunch bag, for $3.50, and a $1.50 packet at the store has not even a palm full of seeds.
It's taken me about 4 years to plant 50¢ worth of Simpson's black seed lettuce.