Bulk Electronic Airtime

Wanakijiji saidia peasant anajaribu kujisaidia…
Been seeing kwa social medias and websites guys selling airtime at commission upto 20%…
Where do you guys get this airtime…
Tried checking AfricaTalkings wanapeana only 4% commission.
Any suggestions please

You can also sell airtime, i think commission iko chini ya kuvuta watu kwa hiyo biz.