I already have one and wanted another to expand my system.
Is it worth keeping and getting repaired?
see if the seller is willing to split the cost of the repair bill vs packing the amp up and risking the amp getting damaged in shipping
$2,000 seems steep to begin with. Be surprised if the previous owner is willing to pay any for the fix as it’s used and fairly old. You can ask but I’d say you really wanted this amp for what you paid so probably just makes sense at this point to keep and fix regardless and hope the estimate is close to the final bill.