As many others, I have been struggling with low reach in Facebook ads lately so I have been testing various things. Autobid works quite bad, resulting in very high CPC and still limited reach. (I fluctuate around feedback score 4 so it’s not that.) The traditional sneak attack method also suffer very low reach.
Something that works well for me is accelerated delivery with bid to 3-5x of “normal” bid and run this until I get at least 3-5 conversions.