Investing in property to let could prove to be a safe and profitable investment, if managed correctly. It is not a 'get rich quick' type of investment, and should be viewed as a long-term commitment.
Any rental income received becomes part of your personal or business income which means you are liable for tax on the income received. Certain expenses can be written off against the income you derived from the rental. Please consult a tax adviser to assist you when doing your tax returns.