Verb conjugation of "mieten" in German

Once your kids grow every vacation that you take you need to consider the costs and the plan. For every age there is the appropriate type of travel, for instance it is insane to take a one year old to Disney Land.
This messaging systems is very weird, especially if you are older than 30 or 40... I do not understand how it works, but it works... once we put a message out, over 2000 people see it within 1 day per page per message.
I hope there were not too many mistakes here. I have learned Spanish not a long time ago and I am still very insecure! Tell me please, where do you come from and what you do?