So, if you don't already know about this stuff you should.

It's an alloy that makes the melting point of solder extremely low. If you put just a little on a joint (SMT or THT) the solder will remain liquid for several seconds after melting. So, multipin components, headers, switches, etc. can be pulled right out.
You don't always need it but when you do it's brilliant.
It's not cheap, but you don't have to use very much at all so it lasts a long time. You can get it on Amazon:
https://www.amazon.com/gp/product/B017ROFFEW/
I figured I'd mention it because I just used it to get a header off a GPS module and it made things so much easier.

It's an alloy that makes the melting point of solder extremely low. If you put just a little on a joint (SMT or THT) the solder will remain liquid for several seconds after melting. So, multipin components, headers, switches, etc. can be pulled right out.
You don't always need it but when you do it's brilliant.
It's not cheap, but you don't have to use very much at all so it lasts a long time. You can get it on Amazon:
https://www.amazon.com/gp/product/B017ROFFEW/
I figured I'd mention it because I just used it to get a header off a GPS module and it made things so much easier.