Stop housing illegal immigrants just deport them instantly and no Benefits

Background

Stop wasting tax payers money on housing illegal immigrants in hotels and just deport them instantly and no benefits for 5 years for non British.

Additional details

Stopping them coming in and deporting instantly as well as ones already housed here. will save Millions if not Billions for the country and make Britain as a whole safer as people don't feel safe with them here. Also no Benefits at all for any non British unless they can prove they have lived and contributed to the country for 5 years, this will also help stop immigration and save the millions if not Billions.