A well written Fund Raising Letter can raise all, if not a good part of mission trip costs. Here's a sample Fund Raising Letter and "How To Guide" to help out in doing it right.
The link below opens up in "Microsoft Word" and can be modified as you or your team wishes.
Please take into account a few important steps to make your Fund Raising Letter successful. If you are a Mission Team Coordinator, make sure you guide your team in where to have their support sent to and who to have checks made out to. As you well know, checks made out to churches are tax deductible where checks made out to individuals are not. Be certain that if checks are sent and made out to your church that there's a good accounting method so team member's checks are not misplaced or used elsewhere.