I’m tempted to Pre pay too on Coles for same reason .
It's worth keeping in mind the false economy of prepayment IF the cost per point is a concern for you and you're using personal funds. Roughly speaking, if you have a mortgage at 4%pa with an offset acct, and you prepay your BAS three months in advance, that's a little over 1% you've added to the cost of the points: prepaying on the Coles card goes from an equivalent of 1 Velocity point for approx 0.52c (0.45/0.87) for a debt due nowish, to 1.67c (1.45/0.87) for a debt you've chosen to pay three months in advance. (This is a simplified calculation. The cost would actually be a teeeny bit higher. And if you hold onto the points for a long time, you increase the cost even more.)
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