Lead Generation for Trades

hello, i am a trustee of a children’s charity and we would like to start digital marketing on Instagram, Facebook & you tube. running two campaigns simultaneously
1) requesting donations through direct debits and direct donations
2) a commercial campaign that offers businesses the oppurtunity to receive qualified leads, (electricians, builders, plumbers etc), approx. monthly cost to set up campaigns, landing pages & provide results? if you have any experience in the field of charity fundraising, could you provide me with the results you achieved can you please tell me if this is something you cover, approx monthly cost to set up campaigns, landing pages & provide results. if you have any experience in the field of charity fundraising could you provide me with the results you achieved