What?
Income investing pick companies which provide steady stream of income. Stock can provide steady income by paying a solid dividend. Established company which has reached certain size and growth is limited, will use its earning as dividend.

How?
Income investing is done by picking stock with high and steady dividend or established company.

How’s the performance?
Income investing will give steady income and the price wouldn’t raise much. A thing to remember, that in most countries dividend is taxed at the higher than capital gain.

For who?
Income investing is for people who want steady income like coupon in bond.