This document proposes two schemes, the deadline cost (DC) scheme and the deadline shortest queue first (DSQF) scheme, to improve the rate of data meeting its deadline with minimal data transmission cost in a wireless mesh network of IoT gateways. The DC scheme selects the cheapest gateway that meets the data deadline, while DSQF selects the fastest gateway, with the other metric as the secondary factor. The schemes aim to reduce overall data transmission costs compared to traditional greedy cost and shortest queue first schemes. According to tests, the proposed schemes can meet over 98% of data deadlines while reducing costs by 5.74% on average.