The customizable Donation Amounts section lets you:
Set custom giving levels for the campaign.
Create incentives for reaching a donation level.
On the Campaign Details page, next to Donation Amounts (Optional), click Click Here to Manage. A pop-up appears.
a. Enter a donation level title, such as Gold.
b. Enter the donation amount needed to reach that title.
c. Upload an image (optional).
d. Add a note by typing it in the field.
e. Click +Add.
f. Repeat these steps for each level you want to add.
g. When all desired levels are added, click Save.
See Create a campaign.