Read all of the stuff above -- read it again.

Find a place with LOTS of space around it that is free of buildings, trees, powerlines, & most importantly, PEOPLE.

The plane is always farther away than you think, particularly if/when it goes down.

It is most likely going much faster than you think -- except in the case of turns during a landing approach -- then it is going much more slowly than you think.

Save your pennies -- you wiil need them

Have fun