

I hate investing
Mutual Funds / Index funds are your best bet. (Look for descriptive words like “broad”, “mix” or “full market” in the description).
If you can, pick out one named “target retirement YYYY” with YYYY being within a few years of whatever year you will turn 67.
It will automatically follow investing best practices based on your current age - agrressive earlier, and very cautious later.
I’m not familiar with all the details of how it works
Perfect recipe to get ripped off. (Most people I know say that insurance/investment combined products suck. I’ve heard some disagreement whether they’re just a bad deal, or such a bad deal they ought to be a crime.)
While technically the answer is “no”, people who emphasize the difference don’t apply the “Rule of Cool” as liberally as I did.
I re-used all kinds of D&D 3rd Edition resources while switching to Pathfinder.
Sure, we absolutely shouldn’t just dogmatically use the numbers given in a 3E book with Pathfinder.
But I didn’t find it terribly hard to whip up Pathfinder monster and NPC number adjustments based on my 3E source books, more or less on the fly.
Many numbers given are close enough. Most abilities are easy enough to convert in a way that is fun. The Challenge Rating isn’t tuned as carefully, but i find the usual GM toolkit can address that. For example, throwing in a few extras baddies from over the hilldside can scale an encounter up, and awarding the players various story advantages “for good role playing” can scale an encounter’s challenge down.
If my napkin translation went too badly, I threw “Rule of Cool” at it, and just made sure the players were still having fun.
I will say, I relegated 3E stuff to filler encounters, just as I do with anything else I homebrew.
I don’t mind being on my GM toes for a quick encounter, or a short story arc. But I don’t like having something poorly balanced have a recurring role in my campaigns.
All to say I have used 3E source books liberally in my Pathfinder campaigns, and I’m not sure any of my players have ever noticed.