Organizations may ask to use your facilities. Being a good neighbor suggests you should be open to helping people. Being a good steward suggests you take steps to avoid paying a claim arising from an activity your church didn't sponsor. This whitepaper discusses such topics as:

Making Multisite Mergers Work: New Options for Being One Church in Two or More Locations
Breaking Through Growth Barriers In New Churches
Changing Metrics: The Benefits of Measuring Devotion and Obedience, Not Just Numbers
Breaking Down the Age Barriers: How Churches Become Intentionally Intergenerational
Going Outside the Church Walls
Tim Cool of Cool Solutions Group Initiates Facilities Management Contract with Elevation Church Campuses in Charlotte, North Carolina
2010 Large Church Salary and Benefits Report
NEC Display Solutions for Houses of Worship
Breaking Through Growth Barriers In New Churches
Leadership Development: An Age-Old Challenge with a Modern-Day Twist