I have a 29 gallon QT with auto top off and a skimmer, i do 50% water change twice a week, never had any problem with ammonia or low PH during hypo, for me it's the easiest thing to do, i've done hypo several times, no problem except that it always take about 6 weeks.
I think that new method is worth trying, if done right it would the best of both worlds, 15 days in hypo instead of 30 days of and one transfer instead of 4 and new fish in your tank in 3 weeks instead of 6 weeks.