What's cheaper oyster or contactless?

Related questions

1. Is London Underground Nationalised?
2. Who owns London Tube?
3. Do I need an oyster account to use contactless?
4. Does TfL daily cap include buses?
5. Is London Underground profitable?
6. Is TfL rail 24 hours?
7. What does TfL muscle stand for?
8. What is TFL pain?
9. Is the London Underground government owned?
10. How is TfL funded?

Tags

1. #oyster
2. #travelcard
3. #journey
4. #travelcards
5. #charged
6. #price
7. #cards
8. #maximum
9. #payment
10. #basis
11. #travel
12. #periods
13. #contactless
14. #cheaper
15. #longer
16. #depending
17. #daily