I have several user forms that I use to calculate costs of different types of
products. One userform per product. I would like to know the advantages and
disadvantages of using variables or my own user types. For example,

' user types in standard module
Type Sign
SignHeight As Double
SignWidth As Double
End Type

' userform button code
Sub Calculate()

Dim EMC As Sign

With EMC
.SignHeight = TextBox1 + TextBox2
.SignWidth = TextBox3 + TextBox4
End With

End Sub

VS.

Sub Calculate()

Dim SignHeight As Double
Dim SignWidth As Double

SignHeight = TextBox1 + TextBox2
SignWidth = TextBox3 + TextBox4

End Sub
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Cheers,
Ryan