Even a medium sized female that is fully pollinated can easily throw several hundred seeds, sometimes over a thousand, which is far beyond what a hobby grower will plant in a lifetime. That surplus is why so many home made regular lines end up traded or given away. Rough figures for seed yield by plant size and pollination method are listed at https://breederregularseeds.com, which is handy when deciding how many females to dedicate. One well done plant is usually enough for years of personal use.