A loanshark lends, say, 100K to a guy at 2 points a week. That's 2% or $2,000. That's just the interest for that week. The initial 100K debt still remains. So the loanshark is usually more than happy to let that debt ride forever because he's gained back the 100K in a year and everything after that is gravy.
Yes. The borrower keeps on paying vig every week until the principal loan of 100K (in this case),(and the whole of it) gets paid back.
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