Sorry that you're having this problem. To fix this, I'd need to know a bit more information about the steps you've done in Truffle. Because, each account created by Truffle Develop is given 100 ether.
Make sure you enter the correct seed phrase
In the box marked Wallet Seed, enter the mnemonic that was displayed when launching Truffle Develop
To connect metamask with your testing rpc client you can follow this guide http://truffleframework.com/docs/advanced/truffle-with-metamask
You can see your correct balance by switching to the correct testnet. Click "Custom RPC" in MetaMask and enter