That sounds like a good strategy for you and many others here.
As I've mentioned, whatever the measurements, I personally prefer to make any final decision on a purchase based on personally hearing a speaker so see if I really like it. And, again, I enjoy auditioning different speakers.
Very sensible.
As to getting a good idea from a store audition, I have found this to be quite possible, for my purposes.
For one thing, my speakers tend to be around 7' from my listening seat, and I can pull them out well in to the room (e.g. currently 4' from the back wall), which to an extent minimizes (not gets rid of) some of the room effects and seems to give me a bit more direct sound.
Another thing is that, as Floyd Toole has written, we are generally pretty good at "hearing through" the acoustics of a room to the character of a speaker (at least above the bass transition point). Our auditory system evolved to perceptually weed out what we want to hear from the messiness of surrounding acoustics. So the idea of getting some idea of the character of a speaker in different rooms is quite plausible.
Finally, my own quirky approach: in most cases when I have auditioned speakers in stores, I've been able to adjust the speaker and listening position as I desire. So I often listen first however the salesman set it up. Then I'll make sure the speakers are pulled out a good distance from the back wall, I'll set my listening distance the same as at home. But after listening that way I'll do various tests - listen from below axis, standing, I'll move off axis, I'll walk around the speaker listening for how the sound changes, I'll listen from various distances in the room, e.g. as if I'd be listening from down the hall.
You might call it a sort of human spinorama "hot take" on a speaker
This seems to net me a good overall impression of the speaker, the result being that I have never, ever been surprised at the sound of that speaker when hearing it again in a different room, nor have I ever been surprised by the sound of a speaker I have auditioned once I got it home. They always have the same characteristics I heard in the store audition. Works for me