You should have all of the build you have paid for available to be used. So, if you pay upfront on Wednesday for the weekday and weekend portion, you can start utilizing all of that build right away. In other words, as soon as James writes on your card that you have paid for/earned X build, that build is considered added to your "unspent" and "total build" fields on the character card and is available to be spent on learning skills.
Defend the Land for it is the Base of the Pillar,
Elawyn Featherthorn Brightstar
Acolyte of the Circle of Ten & Chosen of Fey Lord Tillion
Guardian of Belladeen
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OOG: Kristen M.