You can start selling load once you have money in your Coins.ph account.
You can sell Globe, Smart, Sun, TM, and Talk N’ Text prepaid credits with just your Coins.ph account. In the Coins.ph app, click “Buy Load”, and enter the mobile number and amount you want to load.
You may check out this link to get a step-by-step instructions on how to purchase prepaid load using coins.ph.