We are confident God will provide, but God typical provides through his people.  While the church needs nothing other than faithful people to exist there are some tools that help make disciples and can aid in leading people to Christ.  

Mobile sound system
Laptop
Projector
Screen
Presentation software
Building or Park Rentals
Funding for outreaches
Supplies
Advertising
Webpage cost
more

As you can see all this adds up quickly, if you are willing to give so that God can be glorified with worship in these towns we would praise God on account of your sacrifice.