You should have allowed those that expressed the interest first time to pay for their shares, not just opened it up and let people swoop in ahead of those that already said they required shares...
You failed to account for time zones etc, and since you sent a pm to those that put their name down, you could easily have sent them a , "you have 24hrs to pay to address" pm...
This does not fill me with confidence....
I totally agree.
We are not all glued to the computer to reply or pay as soon as you demand it.
I suggest you order the second unit now, and continue accepting payments once you have fully clarified the queue order and payment status of the initial expressions of interest.
FYI I was one of the first expressions of interest with reserving shares on the unit, and now have missed payment and thus a position in the first unit.
Awaiting your response.
Thanks