This is honestly insane. Australia has had online lodgement for I donno 15 years. Your employer salary/bonuses/tax withheld, private health insurance if you have it, welfare payments including unemployment, family tax benefits and child care rebates, Australian paid dividends including franking credits etc and probably more are all sent to the ATO and preloaded into your lodgement. If you have no deductible it honestly is as easy as logging in, enter your bank details(which wil be saved for next year) and click submit… even if you do have deductions it basically holds your hand working out each one and in some cases has built in calculators, like one example you put in how many km you drove a car and it fills out the deduction.

It even gives you a very accurate estimate on your refund or outstanding tax.