Life overseas means more than new expereinces and new surroundings. OCONUS consumer prices are quite different from the US (aka: higher). It is essential that - prior to leaving your current duty station - you develop a projected saving and spending plan based on what your pay and allowances will be at your new duty station.
Having a healthy financial reserve will ensure you are not caught short by unexpected costs. Take advantage of your Financial Readiness resources and schedule an appointment with a Financial Readiness counselor. A strong financial and transition plan will ensure you start off on the right foot as you transition.