These days for ERP, you should make sure the contract specifies if the cost rises to a specific amount, it is canceled and the vendor refunds 50%. Most of this

These days for ERP, you should make sure the contract specifies if the cost rises to a specific amount, it is canceled and the vendor refunds 50%. Most of this I blame on the Sales People. They will promise anything to make the sale. Somehow part of the risk should be borne by the vendor.