Start small
Not every errand is a dog outing, especially when waiting in a car or crowded area is involved.
There is no need to rush. A predictable, manageable step is usually more useful than trying to solve the whole situation in one day.
Try this next
Choose dog-friendly stops only when conditions are safe and your dog will enjoy the experience.
Notice what helps your dog stay comfortable and engaged, then repeat that version before making the situation harder.
Keep it kind and practical
Keep the next step easy enough that your dog can succeed. If you are worried about safety or feel stuck, pause and ask a qualified reward-based professional for help.