"Only spend what you have left." - Terrible habit to start. This should go into savings.

Here's solid budgeting advice: If you don't have 3-6 months of savings set aside, cut out unneeded items such as TV (use 10/m netflix), starbucks, eating out as much, etc. Put all of this into savings immediately and forget about it.

Also, read about this: http://www.investopedia.com/terms/p/payyourselffirst.asp