I only candle if someone wants a tutorial, or a photo. Personally, I don't see the point. If they hatch, they hatch. If they don't, they don't.
I seal the tubs when I put the eggs in, with press and stick. Then I open it to let a bit of air in around day 50. Once they start to pip, I replace the press and stick with the lid for the tub (with a couple holes predrilled).
When you say press and stick, are you referring to plastic wrap? That would make it much easier to see whats going on without opening. I learn something new every day!
1.0 normal
0.2 pastels
0.1 spider
0.1 yellowbelly ph pied
0.1 black pewter
1.0 enchi
0.0.1 sulcata tortoise
1.0 lion head dwarf rabbit
0.1 very nervous dwarf hamster
0.1 wife, Heather
2.0 offspring, Bretlon, Brycen