20k shorts is rapidly becoming the standard for romance, especially with the rise of authors like Deborah Bladon (seriously, go check out her books if you're interested in getting in the game)
There are a couple of benefits with shorter books:
1) Shorter books in a serial means cliffhangers, and those things are incredibly powerful. Just think about it, someone who's just finished the first book will be hungry for the next one, and this is where you put up a mailing list signup and links to other books under your pen-name. From my experience, readers who signup and read the 2nd book, are almost guaranteed to purchase the 3rd and 4th book as well.
2) Rankings and exposure. If you release books consistently you'll avoid the dreaded 30-day cliff. If you're not familiar with that, it basically means after 30 days you'll get a sharp decline in sales because of how Amazon promotes books. Keep publishing, and your books will always be featured. Put links to your older books at the front and back of newer ones, and they'll get the benefits of promotion too.
3) Bundles. Bundle all 3-4 of your serials in one big book and charge a higher price. Not only do you get an additional source of income, but you can also promote them with Bookbub (they only accept >40k books)
4) Permafree. This will make you stupid rich, believe me. Everyone loves free shit, and if you make the first book free...well, you'll be bathing in cash
There are a couple of benefits with shorter books:
1) Shorter books in a serial means cliffhangers, and those things are incredibly powerful. Just think about it, someone who's just finished the first book will be hungry for the next one, and this is where you put up a mailing list signup and links to other books under your pen-name. From my experience, readers who signup and read the 2nd book, are almost guaranteed to purchase the 3rd and 4th book as well.
2) Rankings and exposure. If you release books consistently you'll avoid the dreaded 30-day cliff. If you're not familiar with that, it basically means after 30 days you'll get a sharp decline in sales because of how Amazon promotes books. Keep publishing, and your books will always be featured. Put links to your older books at the front and back of newer ones, and they'll get the benefits of promotion too.
3) Bundles. Bundle all 3-4 of your serials in one big book and charge a higher price. Not only do you get an additional source of income, but you can also promote them with Bookbub (they only accept >40k books)
4) Permafree. This will make you stupid rich, believe me. Everyone loves free shit, and if you make the first book free...well, you'll be bathing in cash