Garrick Saito wrote this answer a while back. Still very much applicable and doable.
Garrick Saito's answer to If you had nothing more than $1, how would you use it to make $100?
One could easily scale this model if one were creative enough.
Garrick Saito's answer to If you had nothing more than $1, how would you use it to make $100?
One could easily scale this model if one were creative enough.