Which Canadian spelling choices look natural on a shop sign?

A small retailer is adapting its storefront copy for customers in Canada. Automated spell-check catches some differences from US English but cannot judge whether a phrase feels locally natural or oddly imported.

1Review the short sample copy supplied with the task and flag wording or spelling that would look out of place on a Canadian shop sign. Suggest natural alternatives and briefly explain any regional nuance. Return a bullet list with up to eight items, then a one-sentence overall impression; aim for 100–180 words.

NDA の範囲の詳細