> One more question. What does it take for these forks to get listed on exchanges so they can be sold/traded?

I have no idea.

I appreciate the explanation. 

One more question. What does it take for these forks to get listed on exchanges so they can be sold/traded? 

I'm guessing Ecash will have its own ticker (ECH?) right out of the gate, but what kind of chaos will ensue when when the RTDS crowd wants to keep calling theirs the true bitcoin? Obviously it depends on proof of work, but I'm trying to figure out how this aspect plays out with the exchanges.

billytheked

seeing as the status quo advice seems to be "do nothing,"

They are cowards who don't want to take free money.

Spoiler: This will absolutely be Core, not Knots.

Is there something about having the same coins on both chains that exposes you or is this only necessary if you want to sell the fork?

If you don't care about your Knots coins at all and consider them literally worthless, then you can spend your coins on the Core chain without any worry as if the split never happened.

Also, can you explain the heuristic of gaining replay protection by coinjoning? The advice I have been seeing is to split coins via RBF.

 is a genius and a saint. What coinjoins do for you is help you avoid needing to hassle with that. As soon as ANY replay protected coin enters the coinjoin pool, all future descendants that combine with it will inherit replay protection. So, if you wait a day after the chain split and then remix your entire wallet, you can be sure your addresses won't get drained on the Knots side of the split.

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Kruw

>seeing as the status quo advice seems to be "do nothing,"

They are cowards who don't want to take free money.

>and follow the heaviest chain.

Spoiler: This will absolutely be Core, not Knots.

>Is there something about having the same coins on both chains that exposes you or is this only necessary if you want to sell the fork?

If you don't care about your Knots coins at all and consider them literally worthless, then you can spend your coins on the Core chain without any worry as if the split never happened.

>Also, can you explain the heuristic of gaining replay protection by coinjoning? The advice I have been seeing is to split coins via RBF.

That advice is correct, @Murch is a genius and a saint. What coinjoins do for you is help you avoid needing to hassle with that. As soon as ANY replay protected coin enters the coinjoin pool, all future descendants that combine with it will inherit replay protection. So, if you wait a day after the chain split and then remix your entire wallet, you can be sure your addresses won't get drained on the Knots side of the split.