Thanks to PhilGD and Half Right for your replies.
I received an email from Kendall @Fundrise. It says:
"There is no need to transfer funds to the Fundrise platform in advance. Each investment can be funded just in time.
When sales resume, you should see a red "invest now" button and can proceed through the investment process. Our process is fully electronic, so there is no need to print anything or send in any physical copies. The final step of the process involves an electronic signature that can be done using your mouse.
ACH transactions are mandatory for all investments under $25,000. For orders above this minimum, we also accept wires.
"