A great source of inspiration is: http://osx.iusethis.com/
Go though some programs while thinking "I can do better than this". Pick a useful tool that you actually can code with little effort.
Then get the payment system working and try sell it. It's ok if it doesn't sell.
Then start coding a bigger tool and use the payment system and homepage setup and all the knowledge you have learned from the first project.
A great source of inspiration is: http://osx.iusethis.com/
Go though some programs while thinking "I can do better than this". Pick a useful tool that you actually can code with little effort.
Then get the payment system working and try sell it. It's ok if it doesn't sell.
Then start coding a bigger tool and use the payment system and homepage setup and all the knowledge you have learned from the first project.