Insert row macro at the end of a changing data set

Hello guys,

I currently have data inputted into a cell range from B7:I48 and I have a macro that when selected or executed will make a new row on line 49. If this button is selected again, it will add a row on 49 instead of at the end of the new dataset line 50. As the dataset expands down, I would like the macro to insert a row on the line right after the data set. My current code is as follows below. Please advise on how this code should be adjusted. Thank you very much.

Sub Insert_Row()
'
' Insert_Row Macro
'

'
    ActiveWindow.SmallScroll Down:=30
    Rows("49:49").Select
    Selection.Insert Shift:=xlDown, CopyOrigin:=xlFormatFromLeftOrAbove
    Range("B48:C48").Select
    Selection.AutoFill Destination:=Range("B48:C49"), Type:=xlFillDefault
    Range("B48:C49").Select
    Range("B49").Select
    ActiveWindow.SmallScroll Down:=-42
End Sub

Will it always start at row 49?

Do you have a sample that you can upload showing your data is structured? You can put dummy data as long as the format remains the same as your original.

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So, you will have data uptil row 48, so the macro has to add a row at 49. Then at the end of the next dataset. How will the macro know where the next row should be inserted? Is there already a blank row there and you need another blank row to be added? Your sample shows only one dataset so its tough to make out.

Or will there be some text in a particular cell? So if the macro finds that text, a row needs to be inserted?