1 year = $15 x 7 = $105
40 years of my life = $105 x 40 = $4200
If I invest $4200 in a bank and get 5% per annum for 40 years = $8400
Total $ saved = $8400 + $4200 = $12600
Plus I would save on time, gas and energy.
This is assuming price of a haircut remains constant at $15 and that the best investment will give me a return of only 5%!
What say you?
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