Translation of competent in German

You can stay at my place as much as you like, and it does not cause me any trouble. I love guests. Cool, I guess, and sorry I didn't get back to you in time due to tight schedule. Hope to hear from you soon, best regards from NYC in the US.
People on the bikes continued to drive around us although we were in the middle of the street. Supposedly this city has more than ten million inhabitants and more than three million bikes.
The view of the valley, the lakes and the surrounding volcano mountains were breathtaking. We stayed there for nearly one hour and had a little snack. From there we continued to have lunch.