The rules say we need a receipt every 350 miles. I have thought skipping the receipt on every other stop if I am ‘catching up,’ like a splash of gas and go, no receipt at the end of the ride. I am a person of habit and I dutifully photo every gas receipt with the ODO, but it is a waste of precious time, (especially on BBG.). G.
This is not a good idea. The concept here is to make it as easy as possible for the verification teams to document your ride. It will be obvious that the amount of gas you show purchased with receipts is not enough to have done the ride you are claiming, and you would need to submit an explanation for every missed receipt. "Because I was trying to make up time" would not be viewed very well, imho.
If this is a serious issue for your BBG rides, consider adding an aux tank so you have more range. I believe what you were saying was to skip every other receipt while still having one every 350 miles. Many riders with aux tanks can ride 350 miles or more between stops, in terms of how much gas they carry and their fuel range.
Completing a BBG is more about managing your stopped time and having a consistent routine than about speed. It's much harder to make up time on the fly than it is to not lose time at stops.
With my digital dash, I won't do another digital submission for a cert ride. It's far too much of a PITA to get a good photo, depending on the lighting conditions. It was faster to go in for a paper receipt, if needed, then some of the multiple photo attempts, moving the bike to a different light angle, etc.
While every ride is different, and times change, paper DBRs aren't really that hard and are very quick a majority of the time.