I am a novice gardener, currently I am growing lettuce in my sun room, that I will be eating soon. I have plans for an outdoor garden this spring/summer. My BF has been successful with hydroponic gardens in the past few years. Tomatoes, Peppers, Cucumbers, and Squash. This year I am planning for good yield, supplemented by farmers market stands.
I have done well with blanching and freezing most vegetables. I am thinking about venturing into canning this year.
What advice do any of you have?
The best advice I have is what I found when looking online and saw this new idea in a Q&A link.
For decades, I have peeled and cored and cooked up tomatoes, etc, then canned or froze the sauce. Now for the past few years, I do a very simple idea learned below.

I use a VacuumSealer for this, but it's not mandatory.
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"Q Is there an easy way to can tomatoes without the mess?
A There is -- and the technique is: Don't. As in, don't can; instead, freeze. If you have the space, you can pack in a mess of fruit, keep all the lively, fresh complexity of a great tomato because you don't sully it with heat, and barely mess up a counter.
Here is how to do it. Buy only big-flavored, assertive tomatoes with high acid/high sugar for best flavor in freezing or canning. Rinse them, remove their cores, but do not skin or seed (much of a tomato's character and goodness are in the seeds and the gel around them). Pack them into heavy-duty plastic freezer bags, press out air, seal and freeze. To use, just drop the frozen fruit into whatever you are cooking (skins will slip away quickly), or defrost and use tomatoes raw in salsas or whatever. They lose their shape and mush up a little, but every bit of their character will still sing out.
Lynne Rossetto Kasper hosts "The Splendid Table," American Public Media's national radio food show, splendidtable.org. Send questions to table@mpr.org.
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I have since learned -- while still frozen, run each tomato under hot water, and the skins slip right off. I don't even core them before freezing. Wish I knew this trick decades ago! It's not like a fresh tomato, but it's great for soups and stews and sauces.