If you setup a free cloudflare proxy fronting your B2 bucket, then download from that, the egress from B2 is free because it's going to cloudflare and the egres

If you setup a free cloudflare proxy fronting your B2 bucket, then download from that, the egress from B2 is free because it's going to cloudflare and the egress from cloudflare is free because they don't charge for it.