Okay, so Canada's inflation rate shrunk to its post-recession low last month, and apparently we all have cheaper gasoline prices to thank.

(Although I find it hard to call $1.20-plus a litre cheap – I still remember filling up the old VW Bug with a $20 bill and getting back enough change to buy food for my pet dodo, but I digress.)

A break at the pump is always welcome – especially just ahead of a long weekend – but gasoline is but one component of the consumer price index.

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And it's one so prone to monthly mood swings that it is pointedly excluded from Statistics Canada's "core" inflation reading, which is considered a more reliable picture of the country's underlying inflation trend. Not that we should ignore it, but it's just a small and notoriously unreliable part of the bigger picture.

On that note, let's give some press to prices last month for a selection of other CPI components that may get overlooked a bit in the monthly inflation discussion, but that matter to many consumers nevertheless. (Percentage changes, April vs. March)

Going up

Going down

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Going sideways