There's real DIY ground here, and real ground you shouldn't touch. Check the obvious stuff first: a dead opener remote could just need a battery, a door that reverses halfway up could have a dirty photo-eye sensor, and a track that's binding might just need the bolts snugged and the rail wiped clean of old grease and grit.
What you should not touch is a broken torsion spring. Those springs hold enormous tension, and on the older sectional doors common in Wheaton's 1959-era housing stock, the hardware holding that tension has had sixty-some years to corrode or fatigue. Winding or unwinding one without the right bars and a clamp has put people in the hospital. Same goes for a cable that's come off the drum under load.
Here's the honest limitation: we work out of Germantown, roughly 14 miles from Wheaton, so we're not the crew that shows up in ten minutes. If your door is stuck open and the house isn't secure, call someone who can get there faster for the immediate safety issue, then have us come out for the actual repair. We'd rather tell you that than pretend the drive isn't real.