Im new to CNC routers and while I'd like to eventually get a vacuum table right now I need a way to hold down the small pieces. Tabs just aren't always the answer & I went to the local hardware store and purchased some carpet tape but I have a couple issues with it.

If I'm doing detailed cuts I'd need to cover the entire area with tape and that can get expensive, and it has a tendency to gum up the bit. Sometimes it is really hard to get the tape off.

Does anyone have any tape they have purchased in bulk that is a little cheaper even if it's from Amazon or eBay?
Has anyone used transfer tape / pre-masking tape from the sign industry on the bottom of the job then doubleside tape to that?

Thanks in advance
Gary