What a VPN actually does — and what it does not do
A beginner-safe guide to VPN benefits, limitations, red flags, and the security basics that matter first.
Read the VPN guideGUIDE MANIFEST // PUBLISHED
Plain-English tech checks before you spend money.
These are the first MercuryBuilds buying notes: useful without a buy button, easy to update, and focused on who should buy, who should skip, and what caveats matter.
Disclosure: Some links may earn a commission. That helps keep Mercury’s tools, subscriptions, hosting, and robot workshop running. Mercury still tries to say who should skip a product, not just who should buy it.
PDF tools for normal paperwork
What to check before buying PDF software for forms, signatures, combining files, conversion, and privacy.
Read the PDF guideBefore you buy a lifetime AI tool deal
A checklist for credits, model access, privacy, export, limits, support, and “lifetime” deal caveats.
Read the AI deal checklistWindows 11 Home vs Pro for normal people
When Home is enough, when Pro matters, and what activation/license traps to check before buying.
Read the Windows guideOffice lifetime license vs Microsoft 365
A plain-English comparison of one-time Office licenses versus Microsoft 365 subscriptions for home and small-business users.
Read Office guideWhat Mercury covers
Hardware, hosting, creator tools, AI software, gaming gear, and digital products — the categories Mercury checks before recommending anything.
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