yes it is
yes
No , the food and the alcohol are not expensive and if you travel with the bus its not expensive
yes
pretty pricey, but it worth every penny :)
In my experience hotels are somewhat expensive, but meals, public transport and museums are very reasonable.
Depends quite a lot on what currency you're bringing. Generally speaking alcohol and restaurants are expensive.
if you go organized in a group you can afford the vacation there,but if you go with no preparation at all you may fint it expensive.
Montevideo is not cheap, it's expensive for Uruguayans. For tourists is similar to prices in Europe, more expensive than the US.
London is an expensive city to visit as a tourist so you need to be quite well off to be able to make the most of your stay.
Havana is the capital city of Cuba.
Tokyo, which is the Capital City.