drainage issues in my backyard
When was the neighbor's house two feet higher than yours built?
In most cities it is illegal to regrade the land so water is diverted onto someone else's property where the water did not go before. But if nobody complains for more than a few years, the new drainage pattern becomes the status quo.
The disadvantages of crab apple trees. In summer, the apples are too sour to pick and eat. In winter the birds come and leave dropping all over the place.