DYSMANTLE

This requires you to upgrade your backpack to level 5, which requires Hide from deer and/or dogs. One of the earliest spots I found to farm easy hide for Hide is at grid M40, the Maximum Gas Station, just above the Evacuation Site. There is a campfire a short run to the south of M40 and there is a zombie wolf in the fenced area of the gas station. Kill the wolf, grab the hide and run back to the campfire to respawn the wolf and repeat until you have 10+ hide for two backpack upgrades you need. There is also a few deer running around south of the gas station that you can keep an eye out for to get some extra hide.

Once you have a level 5 backpack, simply fill it completely with any type of material. All slots must be full as well as each slots stacking limit. For example, 10 carry slots + 8 stacking slots means you must have 8 pieces of Plant Matter to fill that carry slot + 8 pieces of whatever else in the rest of the carry slots.