I want to put my money in Bitcoin, how do i set up a wallet?

1.So what are the steps for setting up a wallet?

2. Should i invest as soon as possible or wait until the next downturn/crash?

3. should i invest in a few litecoins aswell?

So what are the steps for setting up a wallet?

http://bitcoin.org/en/choose-your-wallet  (and register with an exchange like www.mtgox.com, tranfering money can take a long time and you have to jump though lots of hoops, so will be days befor you can even buy coins....unless you go though somewhare ike ebay). 

Should i invest as soon as possible or wait until the next downturn/crash?

No one can answer that with any authority. 

should i invest in a few litecoins aswell?

No one can answer that with any authority.