I know of hoppers who collect receipts for coffee from every Macdonalds they visit. The same for Costas.
I think the best one I heard about was the hopper who collected details of the lifeboats he had seen.
NLM relies on advertising to pay the bills to stay online . Could I ask that you disable your AdBlocker for this site. Alternatively if you are a registered user you can remove all ads and get other benefits for as little as £1.50 a month. Just go to your Profile and click on Account Upgrades. Most visitors will see this message only once per visit...... Thanks