If it’s possible to keep your data in 1 table or worksheet, then you can most likely get by using Excel or another spreadsheet computer software. If your data has to be kept in more than 1 table, then you’re in need of a relational database program like Access or a similar database management program. Information from third party sites online usually utilizing an internet browser which could be looked at. Your cashflow is going to be your earnings minus the expenses.
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Excel Spreadsheet Template