Quote:
Originally Posted by Ramsayfarian
An extra payment a year totally saves you interest. It's not a huge amount but it does. I'm surprised, a real estate tycoon such as yourself should know that.
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I did not say paying more money doesn't save you interest. Paying weekly in and of itself does not, rather, paying more on a yearly basis makes the difference. If the sum of your 12 monthly payments equals the sum of your 52 weekly payments, there is virtually no difference in the interest. The problem with math amateurs is that they compare one month to four weeks. That comparison is not fair, because one year is 52 weeks, not 48. Again, if your monthly payment is the sum of your 52 payments divided by 12, your interest and amortization length is basically the same.
There are many mathematically bankrupt websites that compare, as an example, difference in interest / amortization between a $600 monthly payment versus a $150 weekly payment. The reality is, if you keep the amount your paying the exactly same, it would be comparing a $600 monthly payment with a $138.46 weekly payment ($600 * 12/52). Comparing apples to apples, the interest over the entire amortization and the amortization length are exactly the same. If you actually do pay $150 per week in this example, you're not actually saving interest because it is weekly, rather, you're actually paying down your mortgage faster because you are paying more on a monthly basis ($150/wk is actually $650/month (150*52/12), not $600/month). Do the amortization calculations yourself, and you'll see I'm absolutely correct.
Anyway, off on a tangent. If you want to learn more, connect with me at the university and I'll hook you up with an appropriate instructor / tutor.