There are an awful lot of complaints on this. People not getting what they ordered, and not getting refunds of their money when they don't.
The answer is nor reliable
Reliable
is this broadband reliable
self-reliable
very reliable
he is very reliable
As reliable as the code writer.
She is a reliable friend. :)
Rely is the root word of reliable.
The word reliability is a noun. It is the quality of being reliable.
There is no such thing as a "reliable horoscope". Horoscopes are superstitions; there is nothing "reliable" about them.
Reliable doesn't have any tenses as it is an adjective.