The method of payment can be made by cash, check or electronic transfer of money, in accordance with the mutual agreement. The law of the land should be respected so that there are no problems. You can settle the payment at the end of the month. If you are not able to pay large bills immediately, you can negotiate with the contractor so that the payment of the invoice is made in instalments. It is therefore necessary to clarify the frequency of payments and the volume of payments. Many people are unaware of the importance of a well-documented agreement between the owner and the contractor, which is beneficial for both the parties and the contractors. Below we have made points that must be taken into consideration in the mutual agreement. The terms and conditions agreed by both parties should be reflected in writing. Details should be included in the agreement. 11. Any dispute or dispute concerning the specifications, drawings, drawings and quality of the treatment or material used at work, or any other matter arising out of or in connection with the contract, project, drawings, specifications, orders or any other element related to the contract or the performance of the work; either during the progress of the work or after its completion or task, two arbitrators, one of whom shall be appointed by each of the parties, shall be referred to the single arbitration.