2003 Ford Ranger XLT Long Bed Regular cab RWD

2003 Flord Ranger regular cab Long Bed RWD I am the second owner of this truck. it was purchased in 2009 and has been very reliable. It does have a dent underneath the drivers side taillight. Body is in great shape with no other damage than listed. It does have a rough idle under 100rpm which has been there since i started driving the truck. It has 224066 miles and about 90% of that is highway. i purchased this vehicle from my old company and was previously my company truck. The transmission is starting to slip or at least has once on me driving on the highway. I am not sure if this means it's going out or the bands need to be adjusted. I have kept up on all maintenance on the vehicle including tires that are less than a year old and have less than 5000 miles on them. The toolbox you see is not included but can be for an additional $150 after purchase of vehicle.