The Carrocias contracted to have Todd build them a log home. Todd used inadequate construction techniques that resulted in structural problems. After a windstorm brought the inadequacies to light, the Carrocias hired Todd to replace tie-rods in the walls to correct the structural problems. They did not pay him for the tie-rod work. * Was the Carrocias' promise to pay for the tie-rod work enforceable? * Did Todd give any legally valuable consideration in return for the Carrocias' promise to pay? * Can Todd recover for the work done under an equitable theory