Carry your groceries better- not one item at a time!
Image credit: https://www.pexels.com/photo/cart-push-cart-shadow-shopping-cart-236910/
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By Ubsangars - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=110386651
Smart car-integrated cart
- be strong enough to carry many items
- be very thin when folded so they can fit in a specially designed space under the car trunk
- have wheels
- have the height adjustment system
- should be connected to the car and be able to "park" themselves back to their compartment
- should have Bluetooth connection so you can find them if they get lost in the shop