Nowhere in the first post did they claim they 'really' wanted a TC which is why Ianno87 suggested both Oyster and contactless to which the reply at the time from crehld replied as they did saying Oyster would be an unnecessary expense ignoring the option of contactless. It appears it was only later that they confirmed that they wanted a paper TC but at that time the advice was correct and did not constitute any further expense as claimed by a claimed fares advisor as they had overlooked contactless, as I rightly pointed out.
Gathursty was quite explicit in the opening post that he required a travelcard:
The advice to therefore purchase a travelcard if no facilities are available at Crews Hill at the first available opportunity at Moorgate, or to purchase one in advance, and further to avoid oyster or CPC was correct. It was also correct to assert that using oyster or CPC would add an unnecessary additional expense on top of the required travelcard, given said travelcard is valid between Crews Hill and Moorgate.
I apologise if I cannot express this point with greater clarity. And I further apologise if giving out correct and factual advice to save passengers avoiding paying for their journey twice offends you in any way.
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Unless the OP can obtain a paper travelcard in advance he is stuck with using a contactless card for the initial journey from Crews Hill.
No. If there are no ticket issuing facilities at Crews Hill (something the OP has been advised to check when 'on the ground') then the OP can obtain a travelcard at the first available opportunity, which will probably be at Moorgate station. Purchasing a travelcard in advance is of course another option available.