Pay a accountant get advise the first year may be no gain in money for you but the results can be good, getting the right person is the hardest thing.
Important: You should have written SOP for all jobs you do and all operation manuals for equipment on hand and a do induction witch includes reading them. a day works training and inductions, $200 in PPE safety equipment.
If you employ some one you are responsible for there Health and safety. pay some cash and you will have no insurance if there is a injury, you will have big bills and medicare wont pay they will be you debit.. Open A Negligent claim against you and Fines if you dont train and have SOP's
Business software like MYOB so you can do pays , work out super owing and tax.
Its alot to do but if you can make just $10 a hour extra with a full time employee after all the extra costs, it can be a extra $13,000 a year in your pocket
Dont pay cash you will get caught and why ripe someone off that doesn't know what they are really worth or entitled to.