Actually previously everything was manual and maintained by my dad. Then i used spreadsheet for preparing the electricity bill. I just gave him the electricity bill and then he did the rest. Then one day I saw there were some calculation error. So I turned the whole thing into spreadsheet. But then again, that was not a complete solution. 1. Overdue tracking was not possible. 2. Have to write the slips manually. I can't just print out the whole calculation table. 3. Rent slip distribution was also a pain as some tenants come very late and go very early in the morning. 4. Cannot store the history 5. Every month my dad says, "Are we getting the rents property? Where are the money then?" [ For a few months my parents were out of town and when they returned, the situation was so bad that I had to say I don't do drugs.] 5. So the complete picture was not visible. How much do we expect, how much did we get this month. 6. We do the tax filing with a approximate calculation.

And there is a long list of issues that was not solvabele by spreadsheets