</font><font color="blue" class="small">( The compression fittings, swagelock, are very easy to install and come in a plethora of styles. Be sitting down when you price them out. )</font>
The actual flare fittings are rather inexpensive, typically totaling under $2 for
both flare nut and collar. A JIC37 flaring tool will cost you $50-200.
and is identical in principle to the $10 tools which produce a SAE45 flare.
Tube benders are also expensive from established manufacturers but can
be found in knock-off form by HF and others for $4-6 per discrete
tube size.
Note flare-less JIC37 fittings do exist which require neither an end flare
nor cutting the tube to precise length. These are however about 5X the
cost of vanilla JIC connectors.