Just noticed this bit - that
That’s very hard manual labour - I know I’ve done it myself in the past with 1.2.
In 1.3 the developers introduced a new effect called Repair whicch will fix up to 128 samples by interpolating from the neighbouring wave forms. See: http://manual.audacityteam.org/man/Repair
That’s still hard work as you still Have to deal with each click individually (I’ve done that too …). In 1.3 there is another new effect aclled Click Removal - it’s ok, but even better is Brian Davies’ excellent ClickRepair package - it costs a little at $40 but produces excellent results and is well worth it if you have a lot of vinyl to process. Brian let’s you have a 21-day free-trial. See this sticky thread: Click/pop removal - ClickRepair software
_You may be interested in reading this workflow tutorial I wrote for the 1.3 manual a while back: http://manual.audacityteam.org/man/Sample_workflow_for_LP_digitization_
WC