Hexa Fox
The Fox Rocks!
I know this is old but there are some people here with a crappy attitude. Both beginners, professionals and people in between are going to linger here. I would say that more people here are people seeking advice so this site (like myself) is made up of people close to "Arborstarters" or below professional/commercial grade.
Anyway I also have no clue what rbtree is talking about. The only real way to give an estimate is by inch in diameter across the longest portion of the stump since they all obviously do not grow even. Now with that in mind if you look at a job and see that more has to be done like surface roots or the trunk has not been cut close enough to the ground you need to add and extra charge. You will probably want to trim the stump as close to the ground as you can get it with a chainsaw before you even think about grinding on it.
Also I agree with the others that say you need to charge a good deal of money for this service. However it is common to give good discounts for people that have more than one stump. Because good commercial stump grinders range roughly anywhere between $40,000-$100,000. I am contemplating investing in a John Deere 3720 with a Woods TG50 Stump Grinder on it. This is around a $20,000 investment for the used tractor and new grinder. It works just as well as the commercial grade stump grinders but I would never expect it to cut the stumps as fast, as deep, or as many that a machine that cost that much money is made to do.
I mean you're telling me that people are charging a dollar per inch of stump? If you have a real stump grinder and not the little rototiller like garbage you see at HomeDepot you will never pay off the equipment. Each inch you grind would make you one dollar towards your grinder that cost a minimum of $20,000? Who is going to grind 20,000 inches of stump to pay off that machine?
Now back to the extra charge for extra work. If you go to a job and the stump is not cut close enough to the ground you need to tell them that you need to charge extra because simply you will need to cut the stump closer to the ground before grinding. Then you ask if they want the surface roots ground up as well. If it is bad (mower hitting it, people tripping on it, eye sore, etc) then they probably will. You just tell them that it is going to cost them a little more because your charge is based on the inches of the trunk only and as long as it is close enough to the ground.
Anyway I also have no clue what rbtree is talking about. The only real way to give an estimate is by inch in diameter across the longest portion of the stump since they all obviously do not grow even. Now with that in mind if you look at a job and see that more has to be done like surface roots or the trunk has not been cut close enough to the ground you need to add and extra charge. You will probably want to trim the stump as close to the ground as you can get it with a chainsaw before you even think about grinding on it.
Also I agree with the others that say you need to charge a good deal of money for this service. However it is common to give good discounts for people that have more than one stump. Because good commercial stump grinders range roughly anywhere between $40,000-$100,000. I am contemplating investing in a John Deere 3720 with a Woods TG50 Stump Grinder on it. This is around a $20,000 investment for the used tractor and new grinder. It works just as well as the commercial grade stump grinders but I would never expect it to cut the stumps as fast, as deep, or as many that a machine that cost that much money is made to do.
I mean you're telling me that people are charging a dollar per inch of stump? If you have a real stump grinder and not the little rototiller like garbage you see at HomeDepot you will never pay off the equipment. Each inch you grind would make you one dollar towards your grinder that cost a minimum of $20,000? Who is going to grind 20,000 inches of stump to pay off that machine?
Now back to the extra charge for extra work. If you go to a job and the stump is not cut close enough to the ground you need to tell them that you need to charge extra because simply you will need to cut the stump closer to the ground before grinding. Then you ask if they want the surface roots ground up as well. If it is bad (mower hitting it, people tripping on it, eye sore, etc) then they probably will. You just tell them that it is going to cost them a little more because your charge is based on the inches of the trunk only and as long as it is close enough to the ground.