Request a Quote & Hide Price for WooCommerce: shoppers add products to a quote basket instead of the cart and send a request; you answer from WooCommerce › Quotes with an offer (your prices, a discount, shipping, fees and an expiry date), and they accept and pay at your price, at checkout or through a payment link. Hide prices and Add to Cart by product, category or customer, or make products quote-only. Quote emails, PDF quotes and Quotes in My Account are included.
Needs only WooCommerce. With Sales Igniter Rentals & Bookings it adds rental dates, availability checks and stock holds to quotes. Sold separately with its own licence: it is not included in Pro or Multi Location Inventory.
$99 for the first year of updates and support for 2 sites, then $49/year. Installs like any plugin: Plugins › Add Plugin › Upload Plugin.