Is it true that I must treat stock trading like any other business?

Can I assume that trading should be exactly like running a business?

How must I handle my open positions in intraday trading? Any specific suggestions that you can give me.

What happens if I do not treat my trading like a business? Can it work against me?

Any short term dealing in stocks is like trading, right?

Are there any conditions that must be met if I have to pay only 15% concessional tax on short term capital gains on equities?

Are there any costs in trading that are not too obvious but can make an impact?

Are there any golden rules that we can religiously follow for intraday trading?

Are there any hidden costs in trading that impact trading performance?

Are there any points that I must keep in mind while selling options?

Are there any specific risks that I must avoid while buying options?