on one computer you can only e-file 5 business returns using Turbotax Business an IRS limitation not Turbotax. mail as many as you like. It now offers online "live" preparation of business returns - but the fees are much higher. since they're filing for you, there may be no return limitation
https://turbotax.intuit.com/lp/ppc/1344/?&srqs=null&cid=ppc_msn_b_stan_all_na_Brand-BrandTT-BrandTTB...
I've saw A comment on the web (not this forum) about uninstalling the app and then reinstalling and using a second email address. Don't know if this would work and of course, this is a violation of the IRS rules so you may be inviting the IRS to contact you. maybe even penalize you for failing to register as an ERO/ authorized e-file provider.
https://www.irs.gov/e-file-providers/become-an-authorized-e-file-provider#:~:text=To%20complete%20th...
Intuit does have professional software that would allow you to e-file more than 5 returns. you have to register as an ERO
https://accountants.intuit.com/tax-software/
