Tissue cultured Plantlets are similar to raising say tomatoes from seed a lot of work at first but as plants devolop not as much work.
The website I gave in previous post of mine does tc plantlets for $10 au each and it takes about 2 months for them to be grown and sent to you.
When a person gets these they are in a 5 cm sealed jar growing in clear agar like a plant jelly at this stage they are very fragile.
But if they are alowed to ship to WA i would be worth it to get new varietys
It takes about 5 mounths of care before a TC Plantlet will be ready for planting in the ground.
Regards NSW Bananas