Hello. I see different platform like nexo, blockifi, etc... that can borrow you crypto or stablecoin. I'm here to ask if you have a strategy for example you borrow btc with an interest rate of 6% and then you use it on defi with 8% APR. Thanks for helpful. 
Why not sell assets in real life and then reinvest it in what OP mention. 
Basic thing to make investment is not to use money that be used on daily needs, which if we lose in investment not really interupt our daily needs. Use loan money to make investment will make it worse because no guarantee we can always profit in our investment in whatever the business is.Taking some loan for the benefit on making out investment isnt something that you should really be doing.If you are really that eager to get in into some opportunity that you do spot out then its your choice
but as better as possible then you should be using up the money which you can only afford to lose because not all things would really go into what we are expecting.