For one, knowing how much you are pre-approved for gives you a level of confidence in making an offer on a home in that you are qualified to make that offer. And, it gives the seller a higher level of confidence in that you should be able to actually close the deal.
Why shop and look at homes and risk disappointment if you find one you like and cannot get a sufficient mortgage to make the purchase? If you are pre-approved, you shop with confidence and when you find the right home - you can go for it. The video is short - the information is important - and the reasons for getting pre-qualified are right on the money.
And now, if you are ready to shop, this is a good place: https://www.sanantonio.homes/