I know in Dublin pretty much all coffee shops offer a discount if you bring in your own cup. A lot are using Vegware takeaway cups and lids now too which are fully compostable. My local coffee shops bean bags are nearly completely compostable too (they're still trying to source compostable ink for the labels)
The only negative I have heard is people bringing in dirty cups which could potentially contaminate the coffee station.
I know in Dublin pretty much all coffee shops offer a discount if you bring in your own cup. A lot are using Vegware takeaway cups and lids now too which are fully compostable. My local coffee shops bean bags are nearly completely compostable too (they're still trying to source compostable ink for the labels)
The only negative I have heard is people bringing in dirty cups which could potentially contaminate the coffee station.