So I've read a little of this thread and it seems people are having trouble with their Bing Rewards accounts. I have had very little to no problems with Bing Rewards in the past year. I used to have some problems in getting the counter to register my searches and/or "Daily Points Deals" (or whatever they're called.)
And as for "Micro$oft Points" (which are no longer the currency but still accepted so for conversation sake, M$ points) have always worked for me. When they were still offering M$ points, before the most recent $3 currency codes (obviously might be different for those across the pond or the other end of the world), I could easily average a 800 M$ point code about every 20 days, give or take depending on the daily points deals and other bonuses.
I have been with Bing Rewards since the "beta" stages and have probably banked well over $200 worth of M$ points. With that being said, I am one who gets 30 points for 90 daily searches, on top of my daily points deals. I used to just search numbers so I knew exactly how many I had left. For example: Press #1 key and hit enter. Press backspace, press #2 key and hit enter.... So on and so forth. Even then I was able to search 90 in about 2-3 minutes, give or take. I have found a Bing rewards search "automater" that searches 90 random searches for me in less than a minute (?) but never really timed it. I wake up, do my daily points deals for a handful of points and then select "90 Searches" from the app dashboard. A couple minutes later, I have my 30 daily search points.
Personally, it's when you stack multiple Rewards accounts is when things start to glitch and/or get buggy. They've told me time and time again I can't have multiple accounts, even though I have had more in the past. I love FREE stuff but sometimes greed can get the best of a good thing so I've just stuck with my single account for about a year now. Less income of points but less hassle in dealing with more accounts, glitches, bugs, or limits.