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cross-posted from: https://lemmy.ml/post/1971210
The key for me is that coffee costs £0.10 to make it at home vs £2.50 at the shop.
2 points
Free coffee machine at work or my instant nescafe at home lol. Stuff shop prices
1 point
also if you just want caffeine you can just eat coffee beans or take caffeine pills (with l-theanine optionally or an adaptogen to take the edge off)