Scarcity of Supplies? I Don't Panic at All Since I Have the Space at My Fingertips

A modern person travels through the 1960s and encounters his grandma and a group of children and grandchildren at the beginning to grab his father's pension. Scarcity of supplies? Doesn't exist! For Li Linfeng, who has system space in hand, he only needs to find a suitable reason to take out these things. When you have nothing to do, you can go shopping around the world.