1. Until indicates the time of change of an activity or situation.
Pattern 1: verb + until + time
They waited until six o'clock.
The boys studied until midnight.
Pattern 2: verb + until + beginning of event
They lived here until their wedding; then they left.
She was busy until her graduation.
They didn't watch the game until halftime.
Tips for Smart Work
Consider your materials
Dont take shortcuts on the quality of your materials. Cheap materials or tools are harder to work with because they arent as sturdy or nice. Trying to save a few bucks, but spending an extra hour or two because those cheap things didnt install properly doesnt make any sense.