how to borrow from 401k to buy a househow to borrow from fidelity 401khow to use 401k to buy a househow to use 401k for home purchaseusing 401k for down paymenthow to pay off 401k loan earlyusing 401k for house down payment401k loan vs withdrawal401k loan interestwalmart 401k loanfidelity 401k loan401k loan penalty