Should I use that method for my first home tire change? I may not have another change for a long time.
Will not ties abrade rims?
It depends on what other tools you may have, but, if all you have are big zipties, yes, you can get the tire on with Only zipties.
And No, the zipties do not scratch or damage the wheel in any way.
Their plastic is much the same as the plastic spoon guards.