It depends an okay tip is $5 or $10 but a good tip is around $15 or$20=•=
They can cost anywhere from $20-$50.
There is no fixed price.
A wall usually cost $1000.
Small tips ($2-3) to porters; no tips in taxis; service charges are usually included in the price.
Sofas cost money
The cost varies based on how much the design costs, and how long it is up. However, it would usually cost at least $1800.
Usually $10
$350?
It depends on how long do you anticipate staying at your destination. It usually costs between 4%-8% of the total trip cost to give you a ball park estimate. Consider your factors at http://www.travelinsurancereview.net/tips-and-advice/purchasing-your-plan/what-does-travel-insurance-cost/
A piano could cost about 100 dollars. (not really sure but that's how much they usually cost)
You will earn minimum wage, plus tips.
Windex cost no more than $5.00 usually.