Been designing quite a few PCB's while staying at the Shenzhen Steamhead Maker Space. One bug bear is the lack of a PCB Reflow oven or a hot air gun. This was fixed by purchasing a small 400W Chinese PCB Hot Plate. This cost RMB170, or about A$36 and was donated to Steamhead.
While I have a home built reflow oven and controller, it does take up space. One of the above hot plates takes up a very small space and is very simple to use. It also allows one to move/remove components easily. I might look at shipping one of these via AliExpress when I am back. My bags are way too full to be able to fit one of these in for the trip back to Oz
Bumped into a German guy yesterday at the markets and was going to purchase a simple hot air gun and it turns out he has a spare one here in SZ, so he has donated it to Steamhead as well. We now have some handy soldering equipment here in the Maker Space.
While it does take 15minutes or so to get to 220 deg C, once there, a PCB will reflow in about 30 seconds or so and depending on the components can be reflowed a few times if needed.