If possible, safe the highest from the ladder on the roof’s edge with ladder hooks. Otherwise, have An additional Grownup maintain the ladder’s sides while you climb. If not, search for purple flags including light coming from the attic, damaged or curling shingles, or granules of shingles within your gutters. https://bsearchblog.com/en/roof-replacement-ensuring-the-safety-and-longevity-of-your-home