The 30–60 minute delay then 24-hour follow-up is a sensible cadence. The part I would harden next is the stop conditions: once the cart converts or the customer replies, every channel should cancel, and WhatsApp especially needs a clear opt-in trail before the first send....
Building SEO in from day one rather than bolting it on later is what makes a result like this possible. First page for luxury florist in central London is a tough ranking, nice work.
Most "where is my order?" emails can be answered by the store itself.
Shopify's new customer accounts let shoppers sign in with an emailed code, track orders, buy again, and start returns.
Letting shoppers track orders and start returns themselves kills a lot of support emails before they exist. Do you customize the new accounts pages per brand, or is the default good enough?