Due to the risky nature of Regulation Crowdfunding (Reg CF) equity crowdfund investing, the SEC restricts the total amount of money you can invest in Reg CF deals over a 12-month period. The latest SEC limitations are here.
Note: always check online on the SEC website for the latest limits. These tools are provided for reference purposes only.
Yes, per the SEC website: "You can calculate your annual income or net worth by jointly including your spouse’s income or assets. It is not necessary that property be held jointly. However, if you do calculate your income or assets jointly with your spouse, each of your crowdfunding investments together cannot exceed the limit that would apply to an individual investor at that annual income or net worth level."
Net Worth is all of your assets minus liabilities, not including your primary residence (home) and mortgage. Check out Republic.co's Net Worth example here