IMAN also gets involved in issues such as trying to get grocery stores to offer healthier options.

VOA: standard.2010.03.15

You also get deductions, such as depreciation, that are not related to actual operating expenses or repairs.

FORBES: How Real Estate Investors Can Protect Themselves From The IRS

Eileen Hanson, a vice president with Hilton Hotels, said members of a loyalty program also get extra perks, such as larger rooms or free Wi-Fi.

CNN: For small companies, it can pay to stay with friends, strangers

You can also get information from websites such as SaveSmartSpendHealthy.com.

FORBES: How to Get Tax Breaks on Health Spending