First of all, why are you using the work illegal with IPTV ?
Is IPTV illegal in general or the one which you are using is illegal?
IPTV is not an illegal way of distributing media content, but it is illegal if the person who delivers the service does not pay copyrights, taxes or has any broadcasting license. All these services that you can find online (including the forum) are of course illegal, but torrents are also illegal, as is pirated software.
People use illegal IPTV because they think that nothing bad can happen to them, which is mostly true - those who are sometimes caught are mostly the providers of these services.
For sure, IPTVs are illegal as there is no way one can give you thousands of channels only for few bucks. Secondly these IPTVs contain premium channels too which themselves cost some dollars but they are included in the package already.
OP, you need to focus on getting quality of the streaming IPTV with working channels as i know some IPTV services which are useless as most channels will never load and sometimes you will face buffering issues.
You may get a cheap IPTV but sooner or later you will realize you are getting nothing from the provider.