In general I'm not in favor of deliberate ignorance. Obviously knowing the cost of skiing has not slowed me down. I could slash living and skiing costs a lot by selling the house, moving to Salt Lake and buying an AltaBird pass. But we both like the travel variety (not only skiing, see below) and there are other reasons to stay in SoCal for the time being. This year my 40% share of Dodger season tickets is one of those reasons. Liz lived in Manhattan for 27 years, and so far L.A. has enough of the city attractions she likes that she does not miss NYC.
Data collection can be a time suck. I spend a lot of time in May every year e-mailing and calling ski areas to get the past season's snow data. The twice-a-month in-season reports on my website take at least 3 hours to collect new data and update. Tracking expenses is fairly easy by comparison. Put as much as possible on credit cards (which I do anyway to stay in Delta's Silver or Gold status), then go through the card statements and check registers once or twice a year. I know how much I take from checking in cash but it's not worth the trouble to track how that is spent. All of this is trivial vs. the time spent collecting ski data. You have to make the collection process efficient relative to what you get out of it. Since I'm a ski junkie, that's where I'm willing to expend the most effort in data collection and analysis.
I don't view these expense numbers as being precise. But I want to have a general idea.
Liz and I met online in 2010 via common interest in skiing and total solar eclipses. After the July 11, 2010 eclipse when she was on Easter Island she skied in Chile. I was on a cruise ship off Tahiti and then skied in New Zealand. Liz and I have been to the last 4 total solar eclipses together. I saw 6 and she saw 4 before we met.
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The upcoming total solar eclipse is the first in the continental US since 1979, total in the white strip on the map above. It is a bucket list event. I don't advocate exotic travel just for an eclipse unless it's to someplace you want to go anyway. But the investment of time and $$ to get from places like Tahoe, Utah or Colorado to the August 21 path is absurdly cheap vs. any other eclipse in our likely lifetimes. Do not think you can stay home and see most of the show at 90%. A 99% eclipse is still 4,000x as bright as totality; thus you don't see the solar corona, flares, etc.
http://americaneclipseusa.com/generation-eclipse-9-99-percent/