It has been held that if a customer reserves the privilege to withdraw from the transaction in case he finds the title defective upon examination, the broker is not entitled to commissions upon the refusal for that reason, by the customer, exercising the reserved right, to complete the purchase. Condict v. Cowdrey, 139 N. Y. 273, 34 N. E. 781; Crockett v. Grayson, 98 Va. 354, 36 S. E. 477; Blankenship v. Ryerson, 50 Ala. 426; Gilchrist v. Clarke, 86 Tenn. 583, 8 S. W. 572; Johnson v. Sutton (Miss. Sup. '09), 49 S. 970; Arthur v. Porter (Tex. Civ. App. '09), 116 S. W. 127. See also Sec. 225.