For me in Toronto, Gr4 Yirgacheffe is 11.87$ per lbs if you buy 15lbs at a time (as I do), grocery store whole bean shit is 24.99 for 907g. If 1lbs is 453.5gr the comparison is ...
But add the roaster, time and energy, I'm not saving anything, but I drink a MUCH better coffee. It really depends on what beans are for sale when I'm buying. I have had that "perfect bean that makes the perfect cup", twice in my life and I've been chasing it ever since.