Hi I tested yesterday using my flow, it works on my side, can you change another browser and try?  and make sure the published org is the same as the org you choose in exchange and EXC shell 

Hi, while you change it, what is the error message like? 

Hi, the app builder and runtime do not have IP ranges defined, could you elaborate on your question more and what error message you came across?

Hi, there, for the cost question, have you joined our prerelease program? after joining that you might have more information about the price.  For the store data, please read this one https://developer.adobe.com/app-builder/docs/guides/application_state/

It is possible that  some of your public/private certificate keypairs used in your Adobe integrations and applications in the organization are expired, please check your email see whether there is email notifications.  also try re-publish your app check whether it will show up again

Hi, you can use a runtime action that uses the alarm package to schedule this event. please refer to this codelab: https://www.adobe.io/project-firefly/docs/resources/journaling-events/Hope that help