Regarding the front lip: That's a common issue on the Mk4 VWs. The front end hangs down pretty low, and can catch / scrape on stuff. RockAuto sells a replacement piece, for under $25. Part #VW1093104
Also, it's not uncommon for people to catch the front end on a parking curb, then tear off the lip and/or front bumper when they back out. On my Jetta, the previous owner's wife did exactly that: ripped off the whole front bumper. There's a filler panel available, that helps prevent that. (I also think it makes the front end a little more aerodynamic) VW part #1J5805301.
Unfortunately, it seems that part has been discontinued. But you can probably find some new old stock on ebay or something.
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