The BAS price also supports small local communities as well, better than giving Amazon dot com $. Great looking kids you have there, what bed frame set up is that, grass roots bed?
The great thing about soil is that the soil gets better with age when nurtured. Also much easier to maintain, in the long run. SST (Sprouted Seed Teas) are great for soils and relatively cheap for the among you can get. Kelp super cheap in bulk and is universally great for soil, microbes are probably the most costly but they also amazing work on plants.
Haven't used rootwise specifically but have others brands that have the same inoculants.