$500
it is tappered to accomodate the gradual volume expansion of the solid charge as it descends through zones of Stack,from top to bottom in the stack the temperature gradually increases and we need to ascertain smooth burden descent.
£50- that is what i charge myself
This depends on what material the plumber uses, what fittings the plumber uses, how much piping will be used and how long the plumber will take.
$100,000
The exact amount will depend upon the exact plumber and what company they work for. Most plumbers in Atlanta will charge around $75 per hour.
shouldn't be more than $100
Charge it, replace it,test the alternator,Charge it, replace it,test the alternator,
only if you try to pass yourself off as a plumber, or as a contractor. You can always do work for a customer as a general laborer, (as their "casual" employee.}
You can go to any plumber in your area and ask them to come in and give you an estimate. Then, you can decide if it is worth it before they go through with the repair and charge you.
Unless you are VERY comfortable working around gas - call a plumber your life is worth more than a plumber will charge you.
Im not sure what a dis poser is, But if a garbage disposer is what you are talking about sex is usually accepted as a form of plumber currency.