Wheelbuilding / Wheel Building / Wheel build help

0: Put some oil on the nipples and leave for an hour or 10
0.5: Check you can get all the nipples turning freely - if some snap or round off or break their spokes you want to find out now.

1: Buy new rim identical to old one
2:Tape the spokes together where they cross
3:Lay new rim on top of old one, lining up the valve holes
4:Undo nipples and transfer spokes and nipples from old rim to new
5:Bin old rim and finish tensioning and truing