Backpacking and wilderness survival tips?

I am about to embark on a trip across the country to the National Rainbow Gathering. And from there I’ll be dropping off the grid.
I have a large framed camping back pack filled with some very bare essentials (which I either found or was given, as I have no money to purchase gear) which are listed below.

Wooden walking stick with leather strap at top
Some rope
Bar of soap
Tooth brush
Water pack
Sun glasses
Fedora hat
Wallet with old state ID card, $150 cash, social security card and birth certificate
Bic lighter
Multitool
Machete
Rain poncho
Sleeping bag
Two person tent
Pair of chop sticks
Old tin camping eat wear set
(Consisting of two tin dishes/bowls, one with a handle and a small tin cup)
A few books
A salvaged first aid kit from Nissan Xterra I found in the junk yard (containing two emergency blankets band-aides antiseptic and such)

Clothing (one pair of Swiss Army cotton polyester blend slacks, one pair cotton cargo pants, three cotton tees, one linen long sleeve shirt, two thin wic-away long sleeve button downs, and a wool hooded sweatshirt)

Shoes (a pair of sneakers and a pair of flip flops {and if my cousin comes through, the sneakers will be replaced with a pair of used slip on hiking shoes}
That’s all I have

Is there anything else I need…or things I can do without?
Are there any tips or pointers anyone can give me?