Most casinos are VPN friendly but when it comes to KYC Most of them often make that VPN connection as an excuse to freeze funds of the players.
Sorry, but this is not correct. There are a few casinos that are VPN-friendly and that state clearly in their ToS that they allow the use of VPNs.
Regardless of whether the casino is VPN-friendly or not, the most important thing here is why you are using a VPN.
Most casinos won’t care about it if they know you didn’t do anything against their ToS, but they (including VPN-friendly casinos) will ban your account and confiscate your balance if they suspect you are using a VPN to bypass any of their restrictions or to try to cheat them.
The best is to avoid using VPNs. The VPN is problematic, I will continue to say that. This is not to side with any casino, but to avoid having an excuse against you, whether the excuse is true/genuine or not. Some will be dealing with a KYC casino and still use a VPN, why? Haven't they known you already?
It's still reasonable to use a VPN while using a no-KYC casino to remain anonymous, but the question is, how popular is the IP assigned to you on the internet? If it is common, it must have been used by many, and unluckily, some of those who used it might have done something wrong, so the system will flag the IP and your account. The issues are many, so it's better to avoid them.
Even if you pay for a dedicated IP, do you know what they've used it for in the past?