TTC3018 Pro for small hobby projects - real accuracy on wood/acrylic and LinuxC

Best TTC3018 Pro CNC Router Machine: Is It a Good Choice for Beginners?

I’m considering a desktop CNC engraving machine for small projects, hobby work, and engraving designs on suitable materials. I’m looking for something compact that can fit on a workbench without taking up too much space. Ease of setup, engraving accuracy, software compatibility, upgrade options, and overall value for money are the main things I’d like to consider. I’d also prefer a machine that is manageable for someone who is still learning CNC machining.

Here are two options I’m considering:
TTC3018 Pro CNC Router Machine, Desktop CNC Engraving Machine

www.amazon.com/CNC-Router-Machine-Engrav...rue&ref_=as_li_ss_tl

TTC3018 CNC Router Machine 3-Axis Engraving Machine Metal Engraver

www.amazon.com/CNC-Router-Engraving-Engr...rue&ref_=as_li_ss_tl

Both options seem worth considering, but I’m unsure which would suit my needs better. I’d appreciate advice from people who have firsthand experience with either machine.

How difficult are they to assemble, configure, and operate for a beginner? Is there a noticeable difference in engraving precision, stability, and noise during normal use? I’m also interested in how well the machines handle different materials, what limitations become apparent with more detailed projects, and whether additional upgrades are necessary.

Are replacement parts and accessories easy to find? If you have used either model, what drawbacks have you encountered, and would you choose it again?

I’m open to other desktop CNC routers in a similar price range if there’s a more practical option for a beginner.
Any recommendations would be appreciated. Thanks in advance!

Both of those claim to use GRBL, not LinuxCNC, so the LinuxCNC knowledge base here is wasted.

I have no experience with either machine. As a low-stakes entry to answer "do I even like CNC as a hobby?", I suspect either will work equally well (or poorly). You'll very quickly run into limitations- Z height, power, and/or rigidity. Slowly cutting soft woods and plastics should be doable, beyond that... best of luck.

If you're in any way mechanically-inclined, assembly is a complete non-issue. Either one is going to be noisy and make a mess once it's cutting anything.

Do note that the price of the machine is only part of the cost of entry, even if you ignore the disease of buying/building bigger machines later. Even the bare minimum setup of tools/collets/workholding could add a very significant fraction to the cost of one of those machines. If you want CAM software, that could also trivially double or triple the cost (though there are free options- FreeCAD is quite good). No way around the learning curve of either writing gcode or using CAD/CAM, regardless of what machine you're using.

Would I do it? No... I'd save the $[x]xxxx I've spent on machines thus far and buy a Speedio Sarcasm aside, hobby CNC is a massive chicken and egg problem. You don't know if you like it, but the low-cost-to-entry stuff you'll outgrow quickly and/or will turn you off from the hobby with its maddening limitations. You've got to pick what level you're willing to jump in at, recognizing you can ask all the questions in the world and still not know enough.

All that said, I suspect you'd outgrow either machine very quickly. I personally would suggest trying to start with something with more mass, but I understand budgets/space/etc. are what they are. Might be worth checking on other hobby machining forums to see if anybody has a similar machine they want to get rid of cheap- wouldn't surprise me at all if somebody is a step or two ahead of you on the path and would be happy to let a gently-used machine go for cheap just to get it gone.