Do tickets cost more on the train?

Related questions

1. Do train tickets get more expensive closer to departure date?
2. How far in advance should I book train tickets?
3. Is InterRail or Eurail cheaper?
4. Is it cheaper to buy train tickets on the day?
5. Is it cheaper to buy a train ticket on the day?
6. Can I buy a Eurail Pass in person?
7. Do train tickets get cheaper closer to departure?
8. How can I get a free bus pass?
9. How far in advance are cheap train tickets released?

Tags

1. #train
2. #cheaper
3. #trainline
4. #advance
5. #there
6. #charge
7. #price
8. #deals
9. #buying
10. #booking
11. #difference
12. #ticket