They're bloody awful and should be taken outside and shot. Even the expensive 3M ones. First they are unreliable and wear out. Secondly they melt when you inevi

They're bloody awful and should be taken outside and shot. Even the expensive 3M ones. First they are unreliable and wear out. Secondly they melt when you inevitably screw up. Thirdly there isn't a ground plane so it's basically a nice board of little capacitors and inductors to argue with. For the last 35 years both professionally and as a hobbyist I've just soldered stuff to bits of copper clad board. On one-off items like test rigs etc, these are then screwed to the inside of the lid of a Hammond box. Also see AN47-26 "breadboarding techniques" https://www.analog.com/media/en/technical-documentation/application-notes/an47fa.pdf https://www.analog.com/media/en/technical-documentation/appl... (check Appendix F in particular)