u/mariam_cabrera

Have now spent more on testing than on some of the orders. No regrets — the log is the reason I can buy without agonising.

Bought a second-hand instrument and learned more in six months of fixing it than in three years of reading traces.

A shoulder that does not baseline-resolve cannot be quantified honestly. You can report it as an unresolved shoulder, which is useful information, or you can develop the method until it resolves.