Because flights during the Christmas period are very expensive (especially when multiplied x4 for the whole family) we intend to drive, take a lot of toys / clothes to be donated and have the car to visit family in various parts of the country.
We need to ensure smooth crossing across the channel.
Because it will be during the Christmas period - increased traffic - potential snowfall - I'm planning for contingencies.
Eurotunnel:
https://www.eurotunnel.com/uk/tickets/
Basic logic dictates to purchase 2x return ticket and skip the return. After reading T&C:
EDIT / UPDATE: Let's see if there are some virtual credit cards providers out there: https://softwarerecs.stackexchange.com/questions/37332/is-there-a-software-allowing-me-to-generate-virtual-credit-cards-on-the-fly
Ferries:
Also - what happens if I select 10:00 ferry departure and I miss the boat? Am I automatically embarked for the next one?
What if I arrive 2 hours before the planned departure - will I be taken onboard?
I've never done this journey before, there are so many options and providers... I just want to ensure smooth sailing, without necessity of reading the small print from 10 different companies.
Your 'common sense' and 'common practice' advice is greatly appreciated!
Related: How can I cross the English channel with a car?
one often can get on an earlier train
EDIT / UPDATE: I'm based in the UK. I'm driving to Poland. Returning after Xmas / New Year. I want to know what are my options and pay a fair price - sometimes comfort (and peace of mind) is more important than being penny wise and pound foolish.
EDIT / UPDATE: Another ferry pricing cheaper return than one way: https://twitter.com/marsxrobertson/status/1146723777981681670