I print both with sla(resin cured by laser) and fdm (layers/lines of molten plastic).
In SLA I always print intricate, complex parts that need very small dimensions and can’t be easily post-processed except for some sanding. These SLA prints always have supports which you snap off and I might sand them.
For FDM I think I only printed once (maybe twice) with supports, the rest was without supports. Most parts that are designed for 3d printing (fdm) need no or very little support. I have designed most of my prints myself but also printed some files from thingyverse, specifically for my cr-10 upgrades.
So supports are not necessarily something you have to deal a lot with, however it depends on what you plan on printing.
Well designed functional parts can most of the time avoid the need for supports.
Even many props can often be printed without supports because they were designed with 3d printing in mind.
Supports are annoying mostly when you want to do little or no post-processing. If you plan on painting your models then it really doesn’t matter since you need to sand the part anyway.
HOWEVER if you’re planning on very specific things, such as little manual involvement, strong and complex functional parts/prototypes then yes you might need them. Unfortunately the mosaic palette won’t help you much then. It needs filaments that melt at approximately the same temperature. In my opinion it’s not worth it’s price unless you want to print multicolor models in basic materials.
If you want to print specialty filaments such as PC (300C) you need a dual extruder with different nozzles. Still if you need to do those kinds of things you wouldn’t buy an IVI to begin with.
If you’re new and trying to have some fun and get some useful prints then don’t worry about supports.
There are NO hobby printers that can print perfectly clean looking parts. Anything above 2000-3000 €/£/$ is not really a hobby printer in my opinion anymore.
The best available for well finished parts with minimal post processing is sls, however you’ll have to deal with a bunch of other things. The cheapest of these start as a kit a bit over 5000 €/£/ (Sintratec). I think the cheapest after that is 8000 or 9000 €/£/.
No printing technique is perfect, there are many reasons why 3d printing hasn’t replaced common manufacturing.
Something that might be very interesting for the IVI is having some mounting jigs and stuff so 3d parts can be post processed with the CNC module for surface finish. HOWEVER these will probably more people make.