Anyone have any experiences with the 18 frame BM extractor (good or bad)? I have +-25 hives and at age 61 plan on just keeping that many...... I looked at the Maxant 20 Frame's $1495 the Brushy Mountain 18 Framer is $995........ that's a lot of $$$ difference for just an additional 4 frames. I'm leaning (a lot) to the BM extractor unless I hear something "bad" about them.