I want to earn money without investment. How and what can I start?

I have being doing service as Purchase executive in Crown Television and after that I have done job as receptionist, Purchase and store assistant and then lastly HR executive in Signour Laminates.I have a experience of 15 to 18 years. Now I want to earn money without investment as I have many responsibilities. So please give me a chance and suggestions.

Html/css question . margin-top only works if padding-top exists?

In the following code if ‘padding-code:15px’ is removed then the line ‘margin-top’ (in #main-nav) stops having any effect whatsoever. why ?
Please analyze the code carefully. I am soo frustrated right now.

ok it does have an effect , but not the expected effect of giving main-nav a margin

trading in Nifty?

can some one tell me how to execute a nifty futures trade and how to calculate profit and how much i need to pay as margin.