all the PCBs I work with are HASL'd, so yes. Sometimes I add a little bit of solder to one corner pin, to tack the device in place. In practice I dont have one of the nice drag-soldering style wide tips, so solder pins one at a time. Its easy when you can see.....
And just like Spehro said, I use a flux pen.
The swing arm on my microscope is a 2" steel bar about 3' long, connected to a base so heavy I need both hands to lift it (and I'm a big guy :)
OTBS, it helps hold the house down when the winds pick up. A tree snapped in half yesterday.....
Cheers Terry