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  • You've omitted mortgage amortisation from that calculation. £71 is the principal and interest payment so the 2046 mortgage balance should be zero. Correct figures to compare are £4.2k investments versus £3.98, so better off borrowing to invest.

    This makes sense intuitively - obviously you make money if you borrow at 5% and invest at 6.16%. However, a 116 bps spread seems skinny to me when you consider risk and tax.

  • You've omitted mortgage amortisation from that calculation.

    I had included it. But I'd double counted the loan + interest.

    I'll correct it when I'm back on a desktop.

    This is why we QA...

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