After receiving the goods, change all passwords and contact information to your own, to avoid. This does not apply to goods in the description of which such is prohibited.
Use quality proxy servers, such as individual proxies or residential proxies. Avoid using package proxies and browser extensions with free VPNs. If you log into multiple accounts from the same IP address, all your accounts may be blocked.
If the product description specifies the country of registration, use a proxy of this country when working with accounts, this will reduce the chances of blocking accounts.
Use different devices or specialized programs (special browsers) to log into different accounts. If you log into different accounts from the same device, all your accounts may be blocked.
Do not exceed the limits and conduct human-like activity. For example, fill out a profile, subscribe to several users, leave likes, reposts and comments. If you immediately start mass actions (likes, mailings, etc.), accounts may be blocked.