For what it's worth the best printer I've ever used (at least the most reliable) was a Markforged and that was very heavy lock in. Own brand filaments, cloud-on

For what it's worth the best printer I've ever used (at least the most reliable) was a Markforged and that was very heavy lock in. Own brand filaments, cloud-only slicer, super expensive consumables. But that thing really did work every time and the slicer was functional enough that we never had issue with it.