This is the way things are going in Street View. It is very very slow, not really useful. I hope some day this will be fixed. Just google for this problem and you will find many hits on this issue.
Google Maps works great so far, but I really miss the option to create CustomMarker in Kodular. But this is already on the want.
location sensor dosnt work inside home because of walls and that needs to be connected to satellite and inside it may need a lot time to get connection and finds you.