It does not state where you live. Follow the money!! Western Washington is a decent paying area. The state of Washington has the highest minimum wage in the united states at just over $8.00 per hour. $200.00 a day is an easily obtained rate just assisting homeowners in the area. But hey, some states still run @ around $5.00 per hour. Gas runs about the same, food runs about the same, They have state income tax. How much you make is directly related to how much you have to spend to live. Washington's housing market is slowing considerably, but has yet to fall. One of 4 major regions yet to fall at this point.
We own a construction company non union around $15.00/hour. Union, maybe $20-25.00/hour.
Finish carpentry is a good skill and in America it has high demand for finishing carpenter and good carpenter makes an average salary of $650 per month. It is different from country to country. If you are really good in your work then you can also make up to $1000 per month.