Let's set the record straight - my Jeep cost nothing NEAR that amount of money. I bought it used for just under $20,000 and I did all the modifications and work myself. Where possible I bought used equipment and I sold the parts I was taking off the Jeep, so in the end the Jeep cost around $35,000.

How quickly you save money is entirely up to you and depends on how aggressive you are prepared to be. For me, driving around Africa was the dream of a lifetime, so I was very, very motivated to save money as quickly as possible. I had no cell phone, I walked to work and never bought food at restaurants. For entertainment I would throw a frisbee in the park or walk along the river. I have no TV and share internet with my neighbour. By reducing my spending to the absolute minimum I was able to save most of my income for the adventure.

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As a simple example - when I got back from Argentina I moved into a basement apartment with a room mate. I paid $500 per month rent for my room, which was a bit small and dark, but adequate. A friend at work had also just moved to town and wanted her own place, so she paid $1200/month for a small one bedroom apartment above ground. Her apartment had more sunlight and was newer, but that price difference adds up fast!
Months turned into years, and before I knew it four straight years had gone by while I lived in that basement and went to work. The difference in rent compared to my friend meant that I was saving $8,400 per year in rent, which adds up to a whopping $33,600 !!!!
That money went directly into my savings account without me even seeing it with an automatic transfer I setup at the bank.