Cloud lead tools see everything you look for. Your niches, your territories, the exact phrasing you have worked out gets results. That is competitive information and it accumulates on someone else's server.
What running locally changes
- Your search terms never leave your computer.
- Your finished lead lists are files on your disk, not rows in a vendor's database.
- There is no per-lead meter, because nobody is counting.
- If the vendor disappears, your data does not.
The honest trade-off
Local processing means your machine does the work, so a very large sweep takes longer than it would on a rented cluster. In exchange you are not renting the cluster, and you are not explaining to a client why their prospect list is sitting in a third party's system.