Ok. I like your insight.
I bought the organic compost from Home Depot. I did not mix the the soil with anything other than 2" of perlite that I put at the bottom of the pot. Another lesson learned. All I can say is, "You don't know what you don't know until you know." LOL!
I believe you are on point.
As far as watering, it takes a week for the top soil to completely dry. Aside from inconsistent evaporation 2" below the surface, in the second week post-watering, the top soil is completely dry on all plants.
That should help with the fungus gnats from becoming a bigger problem for now.
I could use less water, which is currently about 1 cup per pot. Do you think I could cut watering in half, and still stay with the current two week watering schedule.
As a side bar, the yellow sticky traps are working on the adult gnats. I've got 12 of those little buggers captured. I've ordered the mosquito bits, and should be here by the 19th in time for the next watering.