Yes a few visits are necessary every month with family where you can try and get accustomed with the new car with referce to the display unit, sitting on all seats and trying different postures. Checking the functions if any missed in previous visits. Checking the engine bay with details, which wire going where and if the plumbings for Hvac and engine cooling system look gracefull or not. Checking the boot space if a WC can be transported in case it is needed for obvious reasons.
Trying other cars of upper and lower category then what you booked and verifying above variables on them too while confirming that your decission is the best.
Sipping unlimited hot beverages (tea and green tea) while talking with sales person or floor manager about delivery date of your car.
Meanwhile the toddlers can enjoy the designated kids area at the dealership, jumping on trampoline and sinking in ball pit, before taking a slide on the slide rail.
At time time of lunch your driver can have the free morsels at the staff canteen too.
Visits to the dealership are necessary and similar to the grocery visits.