1- If you have import our dummy content then you must need to go in

WordPress Dashboard --> Pricing Plans --> Pricing Plans --> From here you must need to edit add Plans and You must need to put.

a) Featured Ads Count: How many Ads user can post if user will purchase this plan.

b) Price : How much you want to charge for this plan.

c) Days: How many days these ads will be active as a Premium Ads (Featured Ads).

d) Tag Line: Replace text with your own text  We have: (Get Started with Classiera).

If you will not change Days and Ads Count then it will be show 

Unlimited Ads For Unlimited Ads.

So Its mean If user will purchase this plan then Ads will be active for life time. It will never expire. 

Note: Super Admin have Rights to Post Unlimited Ads for Unlimited Ads without purchasing any Plan.