There are numerous ways you can generate funds. You could benefit from the creativity and the challenge that is involved in developing and implementing fund-raising plans rather than choosing the easy option of holding a bake sale.
Source: Creativity, Activity, Service (CAS) for the IB Diploma
By John Cannings, Maria Ines Piaggio, Tom Brodie, Peter Muir
You can find more information on fund-raising on the document Going “beyond the bake sale”: Becoming more locally, globally engaged (IB) and ideas for fund-raising activities and events on the CAS Trips website, with those 10 fundraising ideas (Future Learn) or with this A-Z Fundraising ideas glossary (Cancer Research UK).