Waxed regularly, no wear at all.With time you start to get a better knack at estimating useful life.

Less is more KISSWax on wax off

A new wax ringshould be installed and toilet(s) should be securely anchored to the floor to prevent movement and leaking.88) One or more sink drains use flexible drain pipe.

No portable kerosene/gas/incense burning; limit candle burning; no excessive odorous chemicals/sprays/vapors; restrict toilets to biological waste and tissue paper; keep drains clear No BBQ’s or open fires in units or under eaves, canopies, porches.

It's like owning a black car - nothing looks sharper than a finely waxed black car (especially a Miata!

Put out candles, febreeze products, or whatever it is.

Then keep burning the candle at both ends and build up a bigger cash reserve.Cash is king. 

However, they just had a major accident while melting a candle in a pan on the stove. 

http://www.lowes.com/pd/AquaSource-White-1-28-GPF-...We're skipping the wax rings that come with these and are using waxless rings instead.  

We spend $99 (before tax) every time, wax ring included.