Stock market & real estate. You have nothing to worry about, they'll always go up ... ... [this is a joke - people sent me PMs asking for advice ... ]
Sign up for a casino account through one of my affiliate links, and ill send u a casino bonus scalper program that'll turn your 1000 into 1300. It'll take about 6 hours and be extremely boring but its mathematically guarenteed
And that's what I too was going to say. Unless you don't know what you want to do and how you will do, it always better to preserve the money. But if you can tell that what you specialise in, I can surely recommend you something worth.
start a website and join a good affiliate programs and promote that with PPC. you can earn a lot with this.
You can buy some shares [from this money] in the stock market. Or you can use it to build a website or you can use it to buy articles that you can use in your site. You can get lot of articles for $1000.
Buy links - this will get you more backlinks and thus better SERP Site flipping - buy some sites and then sell them later on etc etc
Build a website from the ground up and market yourself. You can learn a lot in the process of making money.