This is a common strategy that is used to raise $500 in 10 days. 

Day One
Start by making the first pledge for $25
Day Two
Ask three family members to each pledge $25
Day Three
Ask five friends to each contribute $10
Day Four
Ask five co-workers to each contribute $10
Day Five
Ask five people from a community organization you are involved with for $10 each
Day Six
Ask your boss for a $25 matching gift from your company
Day Seven
Ask three neighbors to each contribute $10
Day Eight
Ask three local merchants to sponsor you for $20 each
Day Nine
Ask two businesses you frequent for $25 each
Day Ten
Ask your doctor, dentist and hairdresser for $20 each

Sounds easy......:) some can do it !

or check fundraising.com for some ideas !