The Restaurant is a building in the train station which generates a profit every 1h 30m. Once the profit is generated, you have to collect it by clicking it, before it starts generating again.
By upgrading the restaurant you'll increase the generated amount, but the waiting time doesn't change.
Upgrading your hotel increases the restaurant profit by a certain percentage for each hotel level.
Upgrading the restaurant can give you lot of cash, but it takes time to pay off at the higher levels, because the upgrades will get quite expensive.
The benefits of having a high level restaurant or shopping center are best used if you're in an association where others will collect the money for you when you're not on.
The restaurant is best upgraded as early in the game as possible, so you can benefit from it for a long time.
|Restaurant level||Generated money (without Hotel bonus)||Upgrade cost||Upgrade base time||Upgrade prestige|
|9||18,000||175,000||3h 33m 20s||45|
|11||28,000||325,000||5h 13m 20s||66|
(*) EDITOR'S NOTE: Rounded off to nearest 5 minutes. I get some weird construction times when calculating base time. Can somone please check these and update if necessary?