Post a picture if you want help. The curling leaves is usually N tox which could be hot soil. Dont think you are overwatering if you never have run off.
Couple of things ill mention some have been said already some not. Here we go.
1. Not many experienced growers use autos.
2. Dwc is not first grow friendly.
3. Schedules dont work well for plants.
4. Are you in a tent or room or closet.
Nope there are plenty of top notch usa breeders at far less then 150-250. Check out Farmhouse Genetics, Lost River Genetics, Docs Dank, shoreline Genetics, MotaRebel Genetics, or Bigworm Genetics all of these have fire packs for $25-80.