In a previous question, an answer quotes the rules on starting XP. It states that it can be spent before play starts. Taken literally, which may not be the intention, it means I cannot spend this XP ...
Say, as a crude example (I don't fact-check points costs atm on my phone) I have a character who buys: Giant •••• Encyclopedic knowledge •• Fleet of foot • And as he has some starting XP he decides ...
I'm fairly certain starting merits aren't bought sequentially: Merit dots must be purchased sequentially with experience points. You have to buy • and then •• before your character can have ••• or ...