addr:postcode and addr:state are not necessary here since we have the boundaries of these in OSM already.

The addr:housenumber and addr:street can all be derived from the addr details on the center https://www.openstreetmap.org/way/256702729/history there's no need to repeat this on each feature.

The use of the source tag is misleading since the source of the features is my survey, not the website.

The website tag should where possible be for the specific store, not the whole brand.

You've messed up the opening_hours using opening_hours=opening_hours=...

Phone numbers should follow the format at https://wiki.openstreetmap.org/wiki/Australian_Tagging_Guidelines/Australian_features#Phone_Numbers