If the plant is very root bound, the soil won't be able to hold much moisture and it may need water more often than its counterpart that isn't root bound. When plants are actively growing, they require more water and light. Take a few minutes to evaluate the factors that will influence your plant. It will help you choose a successful method to care for it while you are away. If you aren't going to be gone long, just water them thoroughly and let them be.
Most plants can stand several days alone with little or no damage.
At most, you may have to pick off a yellow leaf or two. Watering Give it a thorough soaking just before you leave. Submerge the whole root system in water until the air bubbles stop coming to the surface. Make sure your plant is growing in a good soil mix. Potting soils that contain a high percentage of peat moss will retain lots more water than a sandy soil.