Free Coffee Megathread Cheap Coffee offers

I juggle between these offers to get my daily coffee. If you know more, please contribute. Heres the free and cheap coffee megathread:
Free Coffee:
1. Waitrose Free Daily Coffee – Once a day purchase needed. Scan your Waitrose card on their coffee machines in-store. Most stores have it, and some have more than one coffee machine due to high demand. They serve Caffè Nero beans, so this one is my favorite.
2. IKEA Family Membership: Monday to Friday (free to register). You can get it for free at any IKEA restaurant in-store, no purchase required. Between Monday and Friday, by scanning your IKEA Family card at checkout Excludes IKEA Brighton, Hammersmith, Oxford Street, Aberdeen Order and Collection Point, Plan and Order Points.
3. Free weekly coffee at Joe & The Juice for Uber One members. Kudos to SamCC
4. First coffee for free via first-time app registration in multiple stores: Greggs, Joe & The Juice, Gails, Wenzels
5. Octopus Octoplus removed weekly free coffee. However, you can still get one free Greggs coffee by unscratching their scratchcard first thing every Monday. I got one every week I tried.
Cheap Coffee:
1. Three Plus £1 Weekly Coffee from a large selection of stores. The deal is still active, and I requested that it be unexpired.
2. Three Plus £2 Café Nero drink