Simple way to set up your home gym

Here's a few items you'll find very useful for training at park or your back yard.

I like to add a weight vest to many of the exercises I do
 Weight Vests
Sleds can be used on grass, concrete, pavement, etc. and they can make you very strong.
This is one we use often
The Rogue Butcher
I do sled pulling of some type every week.

Rogue Sleds
Sandbags are really versatile training tools, and can be used to do most of the lifts you normally use a barbell for. 
Sand Bags