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Hello,
I have a website which sells like 5 digital products,and the transactions are made only via PayPal.After the user purchases a product he can login to download.
Also affiliates can be created.That's all that it does.
I was wondering if a SSL/TSL certificate would be usefull and which type ? And which provider ?
I would like my visitors to have full thrust .
And I would like to spend at most 70$/year for this.

Edited by nevergone because: n/a
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Short answer for the setup you described (5 digital products, PayPal checkout, user login, affiliates): get a domain‑validated TLS certificate and run the entire site over HTTPS. A DV cert will encrypt logins and downloads (what matters here) and fits easily within your $70/year budget — there are free automated options and inexpensive commercial DV certs. As asked about trust and cost, and as and pointed toward commercial CAs, that is a valid route but not the only one.

Why: PayPal handles card entry, but you still need HTTPS to protect user credentials, session cookies, and the download links your site serves. If parts of the site remain HTTP, attackers can perform session hijack or inject mixed content that breaks the padlock. For a small operation, an automated DV certificate is typically sufficient; OV/EV validate business identity but cost more and rarely add technical security for logins/downloads.

Practical checklist (apply before going live):

  • Obtain a DV cert (consider free automated options to stay under budget).
  • Serve the whole site on HTTPS (use 301 redirects from HTTP).
  • Fix mixed content (update images, scripts, CSS to load via HTTPS).
  • Set session cookies with Secure and HttpOnly flags and regenerate session IDs at login.
  • Enable HSTS after testing, and require TLS 1.2+ with modern cipher suites.
  • Automate renewal (Let’s Encrypt or host/CA tools) and test the site with an external scanner.

Resources: a free automated CA is available at https://letsencrypt.org/, the OWASP Transport Layer Protection guidance covers TLS and cookie practices at https://cheatsheetseries.owasp.org/cheatsheets/Transport_Layer_Protection_Cheat_Sheet.html, and you can test your server configuration with the SSL Labs scanner at https://www.ssllabs.com/ssltest/.

If using shared hosting, check whether your host will install and auto‑renew a cert for you. For visible third‑party seals or extended business validation, expect higher fees; otherwise a DV cert plus the checklist above gives the best balance of security, trust, and cost.

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