HOME BUYERS WITH LONG TERM LEASES
During the MA period, the protections of the Residential Tenancies (or similar legislation) apply, for the enjoyment and protection of the MA buyer.
The Purchase Contract and associated legal documentation connected to the occupancy lease/contract together have special conditions which allow the purchaser to live in the property whilst they save their deposit (try doing that with a mortgage!) and to enjoy the benefit of up to ten years to settle.
For the reasons why Assquire investing and MA home buying differ dramatically from the rent to buy schemes that have been severely criticised in the media, see https://buyorinvest.com.au/faq/#why-not-rent-to-buy