A:AnswerIt doesn't make cold brew.... you need temperatures below 40 degrees and at least 24 hours to make cold brew.
There are plenty of cold brew sets for less than 30 bucks that you can use.
Not sure how you expect to make cold brew with a drip coffee maker...
A:AnswerHave you run some sort of cleaner through it? I use vinegar as I don't trust the "descaling" products to be safe. The vinegar always brings out some crud and speeds things up.
A:AnswerNinja has their own cleaner. Just dump it in and run it through a cycle. The older the maker is, the harder it is to clean. Sounds gross but when the cleaner quits working, use vinegar. It works
A:AnswerI don’t know the exact weight, maybe 3-4lbs. it’s pretty solid .
As far as the filters, we use them all the time to make cleanup easier and it has never overflowed. It may be that someone is using the wrong type of filter.
A:AnswerYes and it does have a permanent one included, but if you want to eliminate the grounds residue in your last cup, you might want to use the paper cones as well.
A:AnswerAt the time I purchased mine, (6 months ago) people said there were no replacement karafes. (You could check at the Best buy store in case someone returned a machine but the karafe was still intact.) Reviewers mentioned that it was a good idea to buy the replacement plan when buying this Brim coffee pot, which is a good thing I did. My previous Brim coffeemaker stopped making the individual cups 3 months after I purchased it (regular side still worked). Then they replaced it, and the carafe was broken. So, it is a really good idea to get the replacement plan on a coffee maker. Most of them break down after a short time. I still really like this coffee pot though.