Should just close down this lying business

It's not even funny anymore, last orders all take 15days, So I plan ahead and buy earlier, then you get a email, your estimated delivery time is moved because they waiting for a product. Then I told them to leave that product and send the rest. Then another product. At the end of all this 4products was not available, but clearly shows in stock still now on their website. If they can't even supply it to me, why still sell it to others.

If you deal with this company expect to be disappointed. They used to be good, I ordered from them every month, but can't do this anymore.