If we are to make up scenarios, I can take $5,000, go to a casino, observe roulette wheel and bet on black when I notice bias. Bam, I now have $10,000! I am the smartest guy ever!
Seriously, OP never mentioned investing in a business equipment but wanting a camera. Also, that camera will depreciate no matter how you paid for it, but you conveniently mentioned it only in the scenario 1.