3 but Im booking 4 because of flights, I may be able to get a cheaper flight on a Thursday.
This is how I understand it-
I think you’ll be ok. Tomorrow you’ll be able to add 2 days at once.
Nobody can really walk over you because that would require them to also have 11+month access, which means they already have their own lane of inventory in which nobody else can take. So they don’t need to cross into your lane (ie - the system already has a lane for them).
The only time the lanes need to ‘shift’ is when inventory is removed further out than 11m for things other than normal reservations, like FW or maintenance/refurb or the rare glitch.
(All of this is assuming you continue to at least keep holding one day beyond the 11 month window and don’t ‘break’ your walk.)
Somebody had a math model that showed how it worked one time. Wish I could find it!
There isn’t necessarily an advantage holding a 7 day walk than a 4 day walk. The longer reservation may get an advantage only if/when inventory is removed via something other than normal bookings. Then whoever shows up last will be out.
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If not right, somebody please correct. After reading many walking discussions over the years this principle seemed consistent.