well....it's true. but I've made the changes to what you suggested accordingly. test.xlsx
right now it looks like this:
Sub Week_Sales()
Dim Week_Sales As Integer
Week_Sales = 0
Worksheets("Sheet1").Activate
Column = 5
Do While Cells(4, Column) <> ""
Cells(4, Column).Activate
Column = Column + 1
Loop
Cells(3, (Column - 14)).Activate
For i = 1 To 15
If ActiveCell.Value = "Sales" Then
ActiveCell.Offset(1, 0).Activate
Week_Sales = Week_Sales + ActiveCell.Value
ActiveCell.Offset(-1, 0).Activate
End If
ActiveCell.Offset(0, 1).Activate
Next i
ActiveSheet.Range("S4").Select
ActiveCell.Value = Week_Sales
End Sub