Hi Louis,
Welcome to PixInsight Forum!
Feel free to participate and ask whatever you want; a lot of nice people will be glad to help you here.
Your sequence of operations is correct. DBE works better, in general, with linear data. You usually need ScreenTransferFunction (STF) to work with DBE on linear images. HDRWaveletTransform wants nonlinear images, so it must be applied after a nonlinear histogram stretch. The same for ACDNR.