Kaarlo, and others, there is no such thing as 100-percent reliable. Even the human body fails and it is always when we least expect.
Your old, upright piano frequently goes out of tune, particularly with changes in weather.
My guitars had to be tuned between sets when I used them on stage.
My sax player was constantly changing reeds.
My fiddle player tuned his fiddle between sets, and sometimes the bow had broken hairs hanging from it after he performed a hot bluegrass song.
My voice would sometimes crack when I was singing at the top or bottom of my vocal range.
My bicycle needed some tuning and it cost me $65 at the local bike shop to get the derailer fixed, plus some new brake pads.
I went sailing a couple days ago and noticed that the refrigerator circulation fan no longer functioned. Same was true with the solar power exhaust fan in the head, and the engine compartment fan. Tomorrow will be spent fixing that stuff, things that rarely go bad, but then there is this year when they all decided to take a dump.
When it comes to reliability, our arranger keyboards are about the most reliable thing we own. Everything else, including ourselves, will eventually break down. The best advice I have is a song title "Don't Worry - Be Happy."
A lot of folks claim they wish they could go back to the good old days. Well my friends, these are the good old days! Back when I was a young man and fresh out of the US Navy, I considered myself invincible. ****, I was gonna live forever. Cars were considered incredible if they got 6 miles per gallon, and lasted to 80,000 miles - most, however, never lasted that long. Everything was less expensive, but someone that made $100 a week could support their family and have money left over to put into a savings account. Today, $100 won't buy enough groceries to last more than 4 days for a family of 4, but as a percentage of our income, groceries are a modest expense for someone making $1,000 a week, which is the upper end of average these days.
My only fantasy now is to be shot in the back of the head on my 100th birthday by a jealous husband as I leap from a second story window with my trousers down around my ankles and a 19-year-old fashion model screaming "Don't leave me, Gary - Don't leave me! That's not working out very well, though.
Be happy and play some music and post it on the forum,
Gary