Hello KHANH and Young Boy… I have a suggestions For you. : why dont you clean your sorroundings and create a Beautiful vegetable garden? This Is better For you. Than going far foraging wild veggies to sell. You have a Beautiful fertile soil … you can make your farmstead Beautiful and profitable .. sonang possibilities … a lot of people I followed living off grid did that.. so many veggies to harvest and sell to The Market For profits.. It’s better , safer For you snd your son .. plus .. it Will be Beautiful For your farmstead .. They also repair their Home For safer, more comfortable For you specially your son .. Just a suggestions.