GOOD MORNING GENTLEMEN I AM A REHABBER, GAVE A CONTRACT FOR FIXED PRICE OF $12000 FOR MECHANICALS AND ELECTRIC TO A CONTRACTOR. WITHOUT ANY CHANGE ORDERS AND NO COMMUNICATIONS, NOW HE IS INCREASING HIS AMOUNT TO 185000 ALTHOUGH, I OFFERED TO PAY 1500$ EXTRA AS A SPECIAL CASE. BUT UNDER THR THREAT OF PUTTING A MECHANICS LIEN FOR FULL AMOUNT, HE IS GIVING ME A STORY THAT HIS ATTORNEY CAN DO IT I FEEL HE HAS DELAYED MY JOB AND NOE NASTY BEHAVIOR HOW DI I HANDLE THE SITUATION