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.