How to lose customers in one fell swoop Dom..................or those that actively avoid Sendle anyway..........

I understood the gist of your post -Don't use sendle. 

On your listings, or the two I looked at anyway, you offer either sendle or Aus post postage and in both cases, the cost was identical. I guess it was to give your customers a choice?

But if you have had ongoing issues with sendle, you might be better just deleting the sendle option.

That's what i would do, anyway.