Aha, hilarious.
I was suggesting that it isn't necessary to shell out $20 for something you could just do at the park.
Another thing, check and double check that your form is correct, especially with exercises like the dips, crunches and presses. If you're doing it incorrectly, it's a waste of effort. If you don't know some of the excercises, just google em'.
Also, Try to take a day of rest between whenever you do this, and I HIGHLY recommended doing Burpees, a great all body work out that mixes in cardio. Don't do it at the start of the routine because you need to be nice and limber to get into the flow of things.
Mmm yeah, not inexpensive, but no over $3000, just join a local gym for fucking $11 a week, that or you could buy adjustable dumbbells and do the deadlifts at the gym / PCYC.