The main reason of constructing tiny houses because it is move able. Specially for going long term trip.
There are lot of advantages of tiny houses
You can take it travelling
One of the biggest advantage of having tiny houses is the ability of catch it to a truck and drive it to a new location.
Need less money to building it
Tiny houses have no need to spend more money on building houses. We can easily built ting houses with small money.
No need to worry about future moves
Permanent houses are very difficult to move from one place to another place so if we want to move from one place with tiny house, we can easily move.
Need less plumbing services
Tiny houses have no need to plumbing services for kitchens and bathrooms mostly because we do not live permanently.
Easier to clean
It is very easy to clean tiny houses because it size is very small.