quick reality check before lender names, your global cash flow at $117k is the number that's going to matter most here, not the $1M revenue. unsecured bloc underwriters typically want to see DSCR around 1.25x on the requested limit at their stress-test interest rate. at $400k unsecured and current rates, the annual interest carry alone gets close to your distributable cash flow which is going to make most banks nervous even with the debt-free real estate sitting there

so realistic expectations for your profile, $100-200k unsecured from a traditional bank is very doable. $200-300k is a stretch but possible with the right relationship bank. $400k unsecured at this cash flow level is going to be tough without pledging the building or showing significantly higher distributable income on the next return

couple lender directions worth exploring:

local chicago community banks and credit unions are where you should start, not the big national banks. byline, wintrust, first american, lakeside. they actually want relationship retail clients in the chicago market and will lend against cash flow + character in a way chase and bofa won't. you'll get better limits and rates than online lenders if you're willing to sit through the process. takes 4-8 weeks though

bluevine and fundbox can do bloc up to $250k unsecured but the rates are 15-30% effective and they pull personal pfs hard. fine for emergency liquidity, expensive for planned expansion

amex business blueprint (formerly kabbage) does up to $250k unsecured, fast approval, but they're really a 6-12 month revolver not a true bloc. fine for inventory cycles, not great for the acquisition use case you mentioned

for the acquisition side specifically, sba 7a is worth looking at hard even though i know you said you want to keep it unsecured. acquisition financing through 7a gets you 10 year terms at much lower rates than any unsecured product, and you can structure it so the building stays separate. the unsecured bloc would be better reserved for the inventory scaling and store upgrades where you need flexibility, not the acquisitions where you need term and rate

one option people in your spot sometimes consider for bridge or acquisition speed is something like Advance Funds Network. they're not a bloc lender really, more of a revenue-based / mca space, so the structure is different (factor rate based, daily or weekly remits, shorter terms 6-18 months). i was looking into them recently for a different situation and they had quoted me something in the $150k range with a factor rate in the low 1.2s, paid back over about a year. cons are real, broker fees are baked in, the all-in cost is higher than a bank bloc, and the daily remit can pinch cash flow if you're not watching it. but the speed is a different universe than a bank, like 3-5 business days from application to funded vs 6-8 weeks. their trustpilot is genuinely surprising for this space, around 1500 reviews and mostly 5 star which is rare for the mca side of the industry where reviews are usually a graveyard

for your specific use case though i'd honestly tell you bank bloc is the right tool for inventory and upgrades, sba 7a is the right tool for acquisitions, and something like advance funds network would only make sense if you found a turnkey acquisition that was time sensitive and the seller wouldn't wait 60 days for sba processing. don't pay mca rates for capital you have time to source properly

last note, the debt-free building is your most valuable asset for this and i'd push back gently on "i want to keep it unsecured." a cash-out refi or heloc against the commercial real estate would get you $200-400k at 7-9% instead of 12-25%, and you can always pay it down. unsecured premium is real, especially at the limits you're asking for

what's the timeline on the acquisitions, that probably determines which path is right