If you did this at the beginning and at the end this is very well,otherwise do this at the very beginning

I know that it is obligatory to send blessing upon prophet Muhammad while one supplicate,but my qestion is when these blessing should be sent,in the beginning or when you finish the supplication?

Supplications | March 19, 2014 7:10 pm
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When saying the adhkar for waking up, do we say them while lying in bed before getting up or should we get up first and then say them or do we say them while sitting on our bed?
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Before we start wudhu, can we say “Bismillah” and the following dua اللَّهُمَّ اغْفِرْ لِي ذَنْبِي وَوَسِّعْ لِي فِي دَارِي وَبَارِكْ لِي فِي رِزْقِي in the Bathroom?