Planning for the year is good but taking action towards your plans is what brings about success at the end. Whatever God has said to you concerning this year is not going to happen until you act on it.
This book of the law shall not depart out of thy mouth; but thou shalt meditate therein day and night, that thou mayest observe to do according to all that is written therein: for then thou shalt make thy way prosperous, and then thou shalt have good success. (Joshua 1:8 KJV)
Whatever plan, goals or prophecy that must have come to you this year, make sure you don't forget them but follow them until they become reality. Meditate on those things every single day of 2018 and I'm very much convince you will end up with good success.