The first thing you should consider is the advertisement should have free from any politics, religion... it's only bound with business logic if not, the advertisement will be canceled without published it and re-back your money so, take must be care at this point.
The payment is reasonably and fair payment and 12% discount in each plan not include day plan, so you can calculate the payment assume you went to week plan adv so the math is:The adv is active when you complete the payment of your plan and we will give you 7 days to pay us if not the adv request will delete from our database.
The adv is active full 24 hours after that it will expire. The activation of adv is depend on your payment time. Money you have to pay currently is 150 Ethiopian Birr.