Yes there is a huge difference between you and I
Facts can be found on the net to suit your self in this search engine world .
Costs in Thailand can not be compared to Canada , UK , Australia and so the list can go on .
Just to gain a liquor license in those countries can cost a great deal of money .
Taking that in consideration then you can see that you can not use the same accountancy methods you dream up for running a bar business in Thailand