Note if you sell stock shares, you will have capital gains tax to pay. I would avoid taking out a loan. Sell some stock now (they are up, right?) to fund your SEP, then sell some more next year when taxes are due.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma