Collect all kinds of alexa programming exceptions and fault solutions.

Alexa says "Echo not available" when using drop in from dot in same household

When I try to Drop In from any Echo Dot in my household to my main Echo in the same household, I get a response "Echo is Unavailable". All settings are set to allow Drop In from Household and they...

Invoke an Alexa skill, create a cron-like task, and then receive periodical updates

Trying to implement a hosted Alexa skill that looks like follows:
t0 (me): Alexa, ask whatever to check car location during 30 minutes
t0 (alexa): Ok, I'll give you updates every minute during 30