Yes, you may visit Puerto Rico on B-1/B-2 visa. PR is a US territory and flying to the Island is considered a domestic travel.

The civil surgeon determines what vaccinations including but not limited to, COVID-19 are required.

Your DSO may provide a purposeful guidance on your plan.

It appears you have abandoned your US residency. Consult with a qualified immigration lawyer to review your immigration history for further...

The approval of request for an extension is not guaranteed. Extensions are adjudicated based on the reason(s) for the request. Therefore, plan...

You have not stated an immigration question/issue in understandable language.

What is your immigration or issue??

Certified translated documents submitted to USCIS for immigration purposes do not expire.

Your tax accountants/lawyers should explain in very clear and convincing manner why rental income is not taxable. If not taxable the income should...

You may be eligible to natz under both the 3 years or 5 years rule. Contact a lawyer for further details and requirements. Good luck.