The time of 0% corporate tax, shell companies and no audit requirements is over. Too much international pressure on classic tax havens. They're simply cut off from the banking system.
You can incorporate in such a place, but won't be able to bill corporate clients or connect to the international banking system at a reasonable cost. Your invoices will be flagged during audits in most Western countries. If your clients don't need invoices and pay in bitcoin, you can do it. But then: why even bother with a company?
The trend is to have some substance and pay some small amount of tax to stay off the radar. For example here in Malaysia the corporate tax rate is 3% with audit or $5000 flat without audit. The country also has good double tax agreements and is not a classic tax haven.
With your budget it will be hard to build a proper structure that will hold up, when under scrutiny. If you don't make much, it's probably easier to just fly below the radar and hope for the best.