Regarding endusers most of them come to you if you have a name popular enough for their niche.
However it is a very important thing to note that in domaining community there is a significant number of domainers who are also endusers so if you have a name premium enough to catch their attention you can get a good price from domainers, even sometimes more than you can get from an enduser.
LLLL.coms & LLL.coms are fast flipping items these days that can generate liquidity, but you have to own them at reseller price to sell it to the reseller with a little profit, however nothing is final in this business, it depends & differs from case to case.