@swarden43 I know you're serious about coffee. You may find the above interesting. Yerba is the leaves of a certain holly bush. It's brew is high in theobromine, caffeine, b vitamins, antioxidants and magnesium. Consumed like tea or coffee in S America and the Levant.
When the cup is exhausted, I sling the spent leaves into the yard or compost. Zero bad waste. No filters or anything beyond wet leaves.
A kilo (2.2lbs) of a mass market brand like Cruz de Malta or Nobleza Gaucha? Not much. Not affiliated other than being an occasional customer, but here's more info: www.circleofdrink.com www.yerbamateland.com
The initial cold pour creates an air pocket under the pile. It's essential to proper water flow. Lots of technique....
c) A holiday dessert giving tradition that continues on despite the fact that no one actually wants to receive one.
After a nuclear holocaust, only fruitcakes and cockroaches survive the horrors. Then the cockroaches starve.