You can easily post your ad; Just login, tap on the the plus (+) icon and submit your ad. You will get a notification after submitting your ad

Simply login and go to Account => My Listings & you will get a list of your ads. Each ad has delete option"

Simply login and go to Account => My Listings & you will get a list of your ads. Each ad has edit option

It depends on your setting and the type of ads.

It depends on your setting and the type of ads.

Login then go to My Account, you will get your account information edit option

Go to detail of an ad; you will get email, phone and chat option. Just tap the chat icon and start your conversation."

Yes. For chat request or email, seller will get an email notification. For chat, buyer will get first initial message as email notification.

Login to the App and go to the Home Screen. Click the hamburger menu in the top left corner and select Contact Us. Then in the Message box type, 'I would like to request to delete my account' and press Send message